25539640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 66951360

約数和(自身を除く): 41411720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1721, 1855, 2120, 2968, 3442, 3710, 6884, 7420, 8605, 12047, 13768, 14840, 17210, 24094, 34420, 48188, 60235, 68840, 91213, 96376, 120470, 182426, 240940, 364852, 456065, 481880, 638491, 729704, 912130, 1276982, 1824260, 2553964, 3192455, 3648520, 5107928, 6384910, 12769820, 25539640]

約数ペア:

[(1, 25539640), (2, 12769820), (4, 6384910), (5, 5107928), (7, 3648520), (8, 3192455), (10, 2553964), (14, 1824260), (20, 1276982), (28, 912130), (35, 729704), (40, 638491), (53, 481880), (56, 456065), (70, 364852), (106, 240940), (140, 182426), (212, 120470), (265, 96376), (280, 91213), (371, 68840), (424, 60235), (530, 48188), (742, 34420), (1060, 24094), (1484, 17210), (1721, 14840), (1855, 13768), (2120, 12047), (2968, 8605), (3442, 7420), (3710, 6884)]