80793940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 187536384

約数和(自身を除く): 106742444

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 47, 74, 92, 94, 101, 115, 148, 185, 188, 202, 230, 235, 370, 404, 460, 470, 505, 740, 851, 940, 1010, 1081, 1702, 1739, 2020, 2162, 2323, 3404, 3478, 3737, 4255, 4324, 4646, 4747, 5405, 6956, 7474, 8510, 8695, 9292, 9494, 10810, 11615, 14948, 17020, 17390, 18685, 18988, 21620, 23230, 23735, 34780, 37370, 39997, 46460, 47470, 74740, 79994, 85951, 94940, 109181, 159988, 171902, 175639, 199985, 218362, 343804, 351278, 399970, 429755, 436724, 545905, 702556, 799940, 859510, 878195, 1091810, 1719020, 1756390, 2183620, 3512780, 4039697, 8079394, 16158788, 20198485, 40396970, 80793940]

約数ペア:

[(1, 80793940), (2, 40396970), (4, 20198485), (5, 16158788), (10, 8079394), (20, 4039697), (23, 3512780), (37, 2183620), (46, 1756390), (47, 1719020), (74, 1091810), (92, 878195), (94, 859510), (101, 799940), (115, 702556), (148, 545905), (185, 436724), (188, 429755), (202, 399970), (230, 351278), (235, 343804), (370, 218362), (404, 199985), (460, 175639), (470, 171902), (505, 159988), (740, 109181), (851, 94940), (940, 85951), (1010, 79994), (1081, 74740), (1702, 47470), (1739, 46460), (2020, 39997), (2162, 37370), (2323, 34780), (3404, 23735), (3478, 23230), (3737, 21620), (4255, 18988), (4324, 18685), (4646, 17390), (4747, 17020), (5405, 14948), (6956, 11615), (7474, 10810), (8510, 9494), (8695, 9292)]