25007180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 57679776

約数和(自身を除く): 32672596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 577, 788, 985, 1154, 1970, 2167, 2308, 2885, 3940, 4334, 5770, 6347, 8668, 10835, 11540, 12694, 21670, 25388, 31735, 43340, 63470, 113669, 126940, 227338, 454676, 568345, 1136690, 1250359, 2273380, 2500718, 5001436, 6251795, 12503590, 25007180]

約数ペア:

[(1, 25007180), (2, 12503590), (4, 6251795), (5, 5001436), (10, 2500718), (11, 2273380), (20, 1250359), (22, 1136690), (44, 568345), (55, 454676), (110, 227338), (197, 126940), (220, 113669), (394, 63470), (577, 43340), (788, 31735), (985, 25388), (1154, 21670), (1970, 12694), (2167, 11540), (2308, 10835), (2885, 8668), (3940, 6347), (4334, 5770)]