61562020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2441}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 140717808

約数和(自身を除く): 79155788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2441, 2522, 4882, 5044, 6305, 9764, 12205, 12610, 24410, 25220, 31733, 48820, 63466, 126932, 158665, 236777, 317330, 473554, 634660, 947108, 1183885, 2367770, 3078101, 4735540, 6156202, 12312404, 15390505, 30781010, 61562020]

約数ペア:

[(1, 61562020), (2, 30781010), (4, 15390505), (5, 12312404), (10, 6156202), (13, 4735540), (20, 3078101), (26, 2367770), (52, 1183885), (65, 947108), (97, 634660), (130, 473554), (194, 317330), (260, 236777), (388, 158665), (485, 126932), (970, 63466), (1261, 48820), (1940, 31733), (2441, 25220), (2522, 24410), (4882, 12610), (5044, 12205), (6305, 9764)]