20132947760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1\times {\mathrm{6091}}^1$

素因数の和:6706

約数の個数: 80

約数和(自身を含む): 47500055040

約数和(自身を除く): 27367107280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 523, 632, 790, 1046, 1264, 1580, 2092, 2615, 3160, 4184, 5230, 6091, 6320, 8368, 10460, 12182, 20920, 24364, 30455, 41317, 41840, 48728, 60910, 82634, 97456, 121820, 165268, 206585, 243640, 330536, 413170, 481189, 487280, 661072, 826340, 962378, 1652680, 1924756, 2405945, 3185593, 3305360, 3849512, 4811890, 6371186, 7699024, 9623780, 12742372, 15927965, 19247560, 25484744, 31855930, 38495120, 50969488, 63711860, 127423720, 251661847, 254847440, 503323694, 1006647388, 1258309235, 2013294776, 2516618470, 4026589552, 5033236940, 10066473880, 20132947760]

約数ペア:

[(1, 20132947760), (2, 10066473880), (4, 5033236940), (5, 4026589552), (8, 2516618470), (10, 2013294776), (16, 1258309235), (20, 1006647388), (40, 503323694), (79, 254847440), (80, 251661847), (158, 127423720), (316, 63711860), (395, 50969488), (523, 38495120), (632, 31855930), (790, 25484744), (1046, 19247560), (1264, 15927965), (1580, 12742372), (2092, 9623780), (2615, 7699024), (3160, 6371186), (4184, 4811890), (5230, 3849512), (6091, 3305360), (6320, 3185593), (8368, 2405945), (10460, 1924756), (12182, 1652680), (20920, 962378), (24364, 826340), (30455, 661072), (41317, 487280), (41840, 481189), (48728, 413170), (60910, 330536), (82634, 243640), (97456, 206585), (121820, 165268)]