4521280

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 56

約数和(自身を含む): 10972800

約数和(自身を除く): 6451520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 199, 284, 320, 355, 398, 568, 710, 796, 995, 1136, 1420, 1592, 1990, 2272, 2840, 3184, 3980, 4544, 5680, 6368, 7960, 11360, 12736, 14129, 15920, 22720, 28258, 31840, 56516, 63680, 70645, 113032, 141290, 226064, 282580, 452128, 565160, 904256, 1130320, 2260640, 4521280]

約数ペア:

[(1, 4521280), (2, 2260640), (4, 1130320), (5, 904256), (8, 565160), (10, 452128), (16, 282580), (20, 226064), (32, 141290), (40, 113032), (64, 70645), (71, 63680), (80, 56516), (142, 31840), (160, 28258), (199, 22720), (284, 15920), (320, 14129), (355, 12736), (398, 11360), (568, 7960), (710, 6368), (796, 5680), (995, 4544), (1136, 3980), (1420, 3184), (1592, 2840), (1990, 2272)]