4260640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 10402560

約数和(自身を除く): 6141920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 859, 992, 1240, 1718, 2480, 3436, 4295, 4960, 6872, 8590, 13744, 17180, 26629, 27488, 34360, 53258, 68720, 106516, 133145, 137440, 213032, 266290, 426064, 532580, 852128, 1065160, 2130320, 4260640]

約数ペア:

[(1, 4260640), (2, 2130320), (4, 1065160), (5, 852128), (8, 532580), (10, 426064), (16, 266290), (20, 213032), (31, 137440), (32, 133145), (40, 106516), (62, 68720), (80, 53258), (124, 34360), (155, 27488), (160, 26629), (248, 17180), (310, 13744), (496, 8590), (620, 6872), (859, 4960), (992, 4295), (1240, 3436), (1718, 2480)]