39975130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 79885512

約数和(自身を除く): 39910382

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 71, 122, 130, 142, 305, 355, 610, 710, 793, 923, 1586, 1846, 3965, 4331, 4615, 5041, 7930, 8662, 9230, 10082, 21655, 25205, 43310, 50410, 56303, 65533, 112606, 131066, 281515, 307501, 327665, 563030, 615002, 655330, 1537505, 3075010, 3997513, 7995026, 19987565, 39975130]

約数ペア:

[(1, 39975130), (2, 19987565), (5, 7995026), (10, 3997513), (13, 3075010), (26, 1537505), (61, 655330), (65, 615002), (71, 563030), (122, 327665), (130, 307501), (142, 281515), (305, 131066), (355, 112606), (610, 65533), (710, 56303), (793, 50410), (923, 43310), (1586, 25205), (1846, 21655), (3965, 10082), (4331, 9230), (4615, 8662), (5041, 7930)]