31444540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 69882624

約数和(自身を除く): 38438084

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1237, 1271, 2474, 2542, 4948, 5084, 6185, 6355, 12370, 12710, 24740, 25420, 38347, 50717, 76694, 101434, 153388, 191735, 202868, 253585, 383470, 507170, 766940, 1014340, 1572227, 3144454, 6288908, 7861135, 15722270, 31444540]

約数ペア:

[(1, 31444540), (2, 15722270), (4, 7861135), (5, 6288908), (10, 3144454), (20, 1572227), (31, 1014340), (41, 766940), (62, 507170), (82, 383470), (124, 253585), (155, 202868), (164, 191735), (205, 153388), (310, 101434), (410, 76694), (620, 50717), (820, 38347), (1237, 25420), (1271, 24740), (2474, 12710), (2542, 12370), (4948, 6355), (5084, 6185)]