15962772020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{632941}}^1$

素因数の和:633060

約数の個数: 48

約数和(自身を含む): 36472649808

約数和(自身を除く): 20509877788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 12610, 25220, 632941, 1265882, 2531764, 3164705, 6329410, 8228233, 12658820, 16456466, 32912932, 41141165, 61395277, 82282330, 122790554, 164564660, 245581108, 306976385, 613952770, 798138601, 1227905540, 1596277202, 3192554404, 3990693005, 7981386010, 15962772020]

約数ペア:

[(1, 15962772020), (2, 7981386010), (4, 3990693005), (5, 3192554404), (10, 1596277202), (13, 1227905540), (20, 798138601), (26, 613952770), (52, 306976385), (65, 245581108), (97, 164564660), (130, 122790554), (194, 82282330), (260, 61395277), (388, 41141165), (485, 32912932), (970, 16456466), (1261, 12658820), (1940, 8228233), (2522, 6329410), (5044, 3164705), (6305, 2531764), (12610, 1265882), (25220, 632941)]