25942040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20921}}^1$

素因数の和:20963

約数の個数: 32

約数和(自身を含む): 60255360

約数和(自身を除く): 34313320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20921, 41842, 83684, 104605, 167368, 209210, 418420, 648551, 836840, 1297102, 2594204, 3242755, 5188408, 6485510, 12971020, 25942040]

約数ペア:

[(1, 25942040), (2, 12971020), (4, 6485510), (5, 5188408), (8, 3242755), (10, 2594204), (20, 1297102), (31, 836840), (40, 648551), (62, 418420), (124, 209210), (155, 167368), (248, 104605), (310, 83684), (620, 41842), (1240, 20921)]