8521280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 56

約数和(自身を含む): 20970240

約数和(自身を除く): 12448960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 859, 992, 1240, 1718, 1984, 2480, 3436, 4295, 4960, 6872, 8590, 9920, 13744, 17180, 26629, 27488, 34360, 53258, 54976, 68720, 106516, 133145, 137440, 213032, 266290, 274880, 426064, 532580, 852128, 1065160, 1704256, 2130320, 4260640, 8521280]

約数ペア:

[(1, 8521280), (2, 4260640), (4, 2130320), (5, 1704256), (8, 1065160), (10, 852128), (16, 532580), (20, 426064), (31, 274880), (32, 266290), (40, 213032), (62, 137440), (64, 133145), (80, 106516), (124, 68720), (155, 54976), (160, 53258), (248, 34360), (310, 27488), (320, 26629), (496, 17180), (620, 13744), (859, 9920), (992, 8590), (1240, 6872), (1718, 4960), (1984, 4295), (2480, 3436)]