25238140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 54621504

約数和(自身を除く): 29383364

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 151, 244, 274, 302, 305, 548, 604, 610, 685, 755, 1220, 1370, 1510, 2740, 3020, 8357, 9211, 16714, 18422, 20687, 33428, 36844, 41374, 41785, 46055, 82748, 83570, 92110, 103435, 167140, 184220, 206870, 413740, 1261907, 2523814, 5047628, 6309535, 12619070, 25238140]

約数ペア:

[(1, 25238140), (2, 12619070), (4, 6309535), (5, 5047628), (10, 2523814), (20, 1261907), (61, 413740), (122, 206870), (137, 184220), (151, 167140), (244, 103435), (274, 92110), (302, 83570), (305, 82748), (548, 46055), (604, 41785), (610, 41374), (685, 36844), (755, 33428), (1220, 20687), (1370, 18422), (1510, 16714), (2740, 9211), (3020, 8357)]