25013240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 64843200

約数和(自身を除く): 39829960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 569, 628, 785, 1099, 1138, 1256, 1570, 2198, 2276, 2845, 3140, 3983, 4396, 4552, 5495, 5690, 6280, 7966, 8792, 10990, 11380, 15932, 19915, 21980, 22760, 31864, 39830, 43960, 79660, 89333, 159320, 178666, 357332, 446665, 625331, 714664, 893330, 1250662, 1786660, 2501324, 3126655, 3573320, 5002648, 6253310, 12506620, 25013240]

約数ペア:

[(1, 25013240), (2, 12506620), (4, 6253310), (5, 5002648), (7, 3573320), (8, 3126655), (10, 2501324), (14, 1786660), (20, 1250662), (28, 893330), (35, 714664), (40, 625331), (56, 446665), (70, 357332), (140, 178666), (157, 159320), (280, 89333), (314, 79660), (569, 43960), (628, 39830), (785, 31864), (1099, 22760), (1138, 21980), (1256, 19915), (1570, 15932), (2198, 11380), (2276, 10990), (2845, 8792), (3140, 7966), (3983, 6280), (4396, 5690), (4552, 5495)]