21197237200

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{3917}}^1$

素因数の和:4181

約数の個数: 120

約数和(自身を含む): 51869367648

約数和(自身を除く): 30672130448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 163, 166, 200, 326, 332, 400, 415, 652, 664, 815, 830, 1304, 1328, 1630, 1660, 2075, 2608, 3260, 3320, 3917, 4075, 4150, 6520, 6640, 7834, 8150, 8300, 13040, 13529, 15668, 16300, 16600, 19585, 27058, 31336, 32600, 33200, 39170, 54116, 62672, 65200, 67645, 78340, 97925, 108232, 135290, 156680, 195850, 216464, 270580, 313360, 325111, 338225, 391700, 541160, 638471, 650222, 676450, 783400, 1082320, 1276942, 1300444, 1352900, 1566800, 1625555, 2553884, 2600888, 2705800, 3192355, 3251110, 5107768, 5201776, 5411600, 6384710, 6502220, 8127775, 10215536, 12769420, 13004440, 15961775, 16255550, 25538840, 26008880, 31923550, 32511100, 51077680, 52993093, 63847100, 65022200, 105986186, 127694200, 130044400, 211972372, 255388400, 264965465, 423944744, 529930930, 847889488, 1059861860, 1324827325, 2119723720, 2649654650, 4239447440, 5299309300, 10598618600, 21197237200]

約数ペア:

[(1, 21197237200), (2, 10598618600), (4, 5299309300), (5, 4239447440), (8, 2649654650), (10, 2119723720), (16, 1324827325), (20, 1059861860), (25, 847889488), (40, 529930930), (50, 423944744), (80, 264965465), (83, 255388400), (100, 211972372), (163, 130044400), (166, 127694200), (200, 105986186), (326, 65022200), (332, 63847100), (400, 52993093), (415, 51077680), (652, 32511100), (664, 31923550), (815, 26008880), (830, 25538840), (1304, 16255550), (1328, 15961775), (1630, 13004440), (1660, 12769420), (2075, 10215536), (2608, 8127775), (3260, 6502220), (3320, 6384710), (3917, 5411600), (4075, 5201776), (4150, 5107768), (6520, 3251110), (6640, 3192355), (7834, 2705800), (8150, 2600888), (8300, 2553884), (13040, 1625555), (13529, 1566800), (15668, 1352900), (16300, 1300444), (16600, 1276942), (19585, 1082320), (27058, 783400), (31336, 676450), (32600, 650222), (33200, 638471), (39170, 541160), (54116, 391700), (62672, 338225), (65200, 325111), (67645, 313360), (78340, 270580), (97925, 216464), (108232, 195850), (135290, 156680)]