90296720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{38921}}^1$

素因数の和:38963

約数の個数: 40

約数和(自身を含む): 217184760

約数和(自身を除く): 126888040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 38921, 77842, 155684, 194605, 311368, 389210, 622736, 778420, 1128709, 1556840, 2257418, 3113680, 4514836, 5643545, 9029672, 11287090, 18059344, 22574180, 45148360, 90296720]

約数ペア:

[(1, 90296720), (2, 45148360), (4, 22574180), (5, 18059344), (8, 11287090), (10, 9029672), (16, 5643545), (20, 4514836), (29, 3113680), (40, 2257418), (58, 1556840), (80, 1128709), (116, 778420), (145, 622736), (232, 389210), (290, 311368), (464, 194605), (580, 155684), (1160, 77842), (2320, 38921)]