25155420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1987}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 70804608

約数和(自身を除く): 45649188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1987, 2110, 2532, 3165, 3974, 4220, 5961, 6330, 7948, 9935, 11922, 12660, 19870, 23844, 29805, 39740, 59610, 119220, 419257, 838514, 1257771, 1677028, 2096285, 2515542, 4192570, 5031084, 6288855, 8385140, 12577710, 25155420]

約数ペア:

[(1, 25155420), (2, 12577710), (3, 8385140), (4, 6288855), (5, 5031084), (6, 4192570), (10, 2515542), (12, 2096285), (15, 1677028), (20, 1257771), (30, 838514), (60, 419257), (211, 119220), (422, 59610), (633, 39740), (844, 29805), (1055, 23844), (1266, 19870), (1987, 12660), (2110, 11922), (2532, 9935), (3165, 7948), (3974, 6330), (4220, 5961)]