16810366820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{778979}}^1$

素因数の和:779084

約数の個数: 48

約数和(自身を含む): 38475380160

約数和(自身を除く): 21665013340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 4316, 5395, 10790, 21580, 778979, 1557958, 3115916, 3894895, 7789790, 10126727, 15579580, 20253454, 40506908, 50633635, 64655257, 101267270, 129310514, 202534540, 258621028, 323276285, 646552570, 840518341, 1293105140, 1681036682, 3362073364, 4202591705, 8405183410, 16810366820]

約数ペア:

[(1, 16810366820), (2, 8405183410), (4, 4202591705), (5, 3362073364), (10, 1681036682), (13, 1293105140), (20, 840518341), (26, 646552570), (52, 323276285), (65, 258621028), (83, 202534540), (130, 129310514), (166, 101267270), (260, 64655257), (332, 50633635), (415, 40506908), (830, 20253454), (1079, 15579580), (1660, 10126727), (2158, 7789790), (4316, 3894895), (5395, 3115916), (10790, 1557958), (21580, 778979)]