27883700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 66167640

約数和(自身を除く): 38283940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 241, 260, 325, 356, 445, 482, 650, 890, 964, 1157, 1205, 1300, 1780, 2225, 2314, 2410, 3133, 4450, 4628, 4820, 5785, 6025, 6266, 8900, 11570, 12050, 12532, 15665, 21449, 23140, 24100, 28925, 31330, 42898, 57850, 62660, 78325, 85796, 107245, 115700, 156650, 214490, 278837, 313300, 428980, 536225, 557674, 1072450, 1115348, 1394185, 2144900, 2788370, 5576740, 6970925, 13941850, 27883700]

約数ペア:

[(1, 27883700), (2, 13941850), (4, 6970925), (5, 5576740), (10, 2788370), (13, 2144900), (20, 1394185), (25, 1115348), (26, 1072450), (50, 557674), (52, 536225), (65, 428980), (89, 313300), (100, 278837), (130, 214490), (178, 156650), (241, 115700), (260, 107245), (325, 85796), (356, 78325), (445, 62660), (482, 57850), (650, 42898), (890, 31330), (964, 28925), (1157, 24100), (1205, 23140), (1300, 21449), (1780, 15665), (2225, 12532), (2314, 12050), (2410, 11570), (3133, 8900), (4450, 6266), (4628, 6025), (4820, 5785)]