626316560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3672

約数の個数: 80

約数和(自身を含む): 1524759552

約数和(自身を除く): 898442992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1136, 1240, 1420, 2201, 2480, 2840, 3557, 4402, 5680, 7114, 8804, 11005, 14228, 17608, 17785, 22010, 28456, 35216, 35570, 44020, 56912, 71140, 88040, 110267, 142280, 176080, 220534, 252547, 284560, 441068, 505094, 551335, 882136, 1010188, 1102670, 1262735, 1764272, 2020376, 2205340, 2525470, 4040752, 4410680, 5050940, 7828957, 8821360, 10101880, 15657914, 20203760, 31315828, 39144785, 62631656, 78289570, 125263312, 156579140, 313158280, 626316560]

約数ペア:

[(1, 626316560), (2, 313158280), (4, 156579140), (5, 125263312), (8, 78289570), (10, 62631656), (16, 39144785), (20, 31315828), (31, 20203760), (40, 15657914), (62, 10101880), (71, 8821360), (80, 7828957), (124, 5050940), (142, 4410680), (155, 4040752), (248, 2525470), (284, 2205340), (310, 2020376), (355, 1764272), (496, 1262735), (568, 1102670), (620, 1010188), (710, 882136), (1136, 551335), (1240, 505094), (1420, 441068), (2201, 284560), (2480, 252547), (2840, 220534), (3557, 176080), (4402, 142280), (5680, 110267), (7114, 88040), (8804, 71140), (11005, 56912), (14228, 44020), (17608, 35570), (17785, 35216), (22010, 28456)]