655126720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66041}}^1$

素因数の和:66089

約数の個数: 56

約数和(自身を含む): 1610368128

約数和(自身を除く): 955241408

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, 992, 1240, 1984, 2480, 4960, 9920, 66041, 132082, 264164, 330205, 528328, 660410, 1056656, 1320820, 2047271, 2113312, 2641640, 4094542, 4226624, 5283280, 8189084, 10236355, 10566560, 16378168, 20472710, 21133120, 32756336, 40945420, 65512672, 81890840, 131025344, 163781680, 327563360, 655126720]

約数ペア:

[(1, 655126720), (2, 327563360), (4, 163781680), (5, 131025344), (8, 81890840), (10, 65512672), (16, 40945420), (20, 32756336), (31, 21133120), (32, 20472710), (40, 16378168), (62, 10566560), (64, 10236355), (80, 8189084), (124, 5283280), (155, 4226624), (160, 4094542), (248, 2641640), (310, 2113312), (320, 2047271), (496, 1320820), (620, 1056656), (992, 660410), (1240, 528328), (1984, 330205), (2480, 264164), (4960, 132082), (9920, 66041)]