25408940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 55308960

約数和(自身を除く): 29900020

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 353, 590, 610, 706, 1180, 1220, 1412, 1765, 3530, 3599, 7060, 7198, 14396, 17995, 20827, 21533, 35990, 41654, 43066, 71980, 83308, 86132, 104135, 107665, 208270, 215330, 416540, 430660, 1270447, 2540894, 5081788, 6352235, 12704470, 25408940]

約数ペア:

[(1, 25408940), (2, 12704470), (4, 6352235), (5, 5081788), (10, 2540894), (20, 1270447), (59, 430660), (61, 416540), (118, 215330), (122, 208270), (236, 107665), (244, 104135), (295, 86132), (305, 83308), (353, 71980), (590, 43066), (610, 41654), (706, 35990), (1180, 21533), (1220, 20827), (1412, 17995), (1765, 14396), (3530, 7198), (3599, 7060)]