16878880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 42674688

約数和(自身を除く): 25795808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 83, 124, 155, 160, 164, 166, 205, 248, 310, 328, 332, 410, 415, 496, 620, 656, 664, 820, 830, 992, 1240, 1271, 1312, 1328, 1640, 1660, 2480, 2542, 2573, 2656, 3280, 3320, 3403, 4960, 5084, 5146, 6355, 6560, 6640, 6806, 10168, 10292, 12710, 12865, 13280, 13612, 17015, 20336, 20584, 25420, 25730, 27224, 34030, 40672, 41168, 50840, 51460, 54448, 68060, 82336, 101680, 102920, 105493, 108896, 136120, 203360, 205840, 210986, 272240, 411680, 421972, 527465, 544480, 843944, 1054930, 1687888, 2109860, 3375776, 4219720, 8439440, 16878880]

約数ペア:

[(1, 16878880), (2, 8439440), (4, 4219720), (5, 3375776), (8, 2109860), (10, 1687888), (16, 1054930), (20, 843944), (31, 544480), (32, 527465), (40, 421972), (41, 411680), (62, 272240), (80, 210986), (82, 205840), (83, 203360), (124, 136120), (155, 108896), (160, 105493), (164, 102920), (166, 101680), (205, 82336), (248, 68060), (310, 54448), (328, 51460), (332, 50840), (410, 41168), (415, 40672), (496, 34030), (620, 27224), (656, 25730), (664, 25420), (820, 20584), (830, 20336), (992, 17015), (1240, 13612), (1271, 13280), (1312, 12865), (1328, 12710), (1640, 10292), (1660, 10168), (2480, 6806), (2542, 6640), (2573, 6560), (2656, 6355), (3280, 5146), (3320, 5084), (3403, 4960)]