39774020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13907}}^1$

素因数の和:13940

約数の個数: 48

約数和(自身を含む): 98134848

約数和(自身を除く): 58360828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 13907, 27814, 55628, 69535, 139070, 152977, 180791, 278140, 305954, 361582, 611908, 723164, 764885, 903955, 1529770, 1807910, 1988701, 3059540, 3615820, 3977402, 7954804, 9943505, 19887010, 39774020]

約数ペア:

[(1, 39774020), (2, 19887010), (4, 9943505), (5, 7954804), (10, 3977402), (11, 3615820), (13, 3059540), (20, 1988701), (22, 1807910), (26, 1529770), (44, 903955), (52, 764885), (55, 723164), (65, 611908), (110, 361582), (130, 305954), (143, 278140), (220, 180791), (260, 152977), (286, 139070), (572, 69535), (715, 55628), (1430, 27814), (2860, 13907)]