25586660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 60217080

約数和(自身を除く): 34630420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 109, 110, 121, 194, 218, 220, 242, 388, 436, 484, 485, 545, 605, 970, 1067, 1090, 1199, 1210, 1940, 2134, 2180, 2398, 2420, 4268, 4796, 5335, 5995, 10573, 10670, 11737, 11990, 13189, 21146, 21340, 23474, 23980, 26378, 42292, 46948, 52756, 52865, 58685, 65945, 105730, 116303, 117370, 131890, 211460, 232606, 234740, 263780, 465212, 581515, 1163030, 1279333, 2326060, 2558666, 5117332, 6396665, 12793330, 25586660]

約数ペア:

[(1, 25586660), (2, 12793330), (4, 6396665), (5, 5117332), (10, 2558666), (11, 2326060), (20, 1279333), (22, 1163030), (44, 581515), (55, 465212), (97, 263780), (109, 234740), (110, 232606), (121, 211460), (194, 131890), (218, 117370), (220, 116303), (242, 105730), (388, 65945), (436, 58685), (484, 52865), (485, 52756), (545, 46948), (605, 42292), (970, 26378), (1067, 23980), (1090, 23474), (1199, 21340), (1210, 21146), (1940, 13189), (2134, 11990), (2180, 11737), (2398, 10670), (2420, 10573), (4268, 5995), (4796, 5335)]