520028720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{757}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 1254229248

約数和(自身を除く): 734200528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 277, 310, 496, 554, 620, 757, 1108, 1240, 1385, 1514, 2216, 2480, 2770, 3028, 3785, 4432, 5540, 6056, 7570, 8587, 11080, 12112, 15140, 17174, 22160, 23467, 30280, 34348, 42935, 46934, 60560, 68696, 85870, 93868, 117335, 137392, 171740, 187736, 209689, 234670, 343480, 375472, 419378, 469340, 686960, 838756, 938680, 1048445, 1677512, 1877360, 2096890, 3355024, 4193780, 6500359, 8387560, 13000718, 16775120, 26001436, 32501795, 52002872, 65003590, 104005744, 130007180, 260014360, 520028720]

約数ペア:

[(1, 520028720), (2, 260014360), (4, 130007180), (5, 104005744), (8, 65003590), (10, 52002872), (16, 32501795), (20, 26001436), (31, 16775120), (40, 13000718), (62, 8387560), (80, 6500359), (124, 4193780), (155, 3355024), (248, 2096890), (277, 1877360), (310, 1677512), (496, 1048445), (554, 938680), (620, 838756), (757, 686960), (1108, 469340), (1240, 419378), (1385, 375472), (1514, 343480), (2216, 234670), (2480, 209689), (2770, 187736), (3028, 171740), (3785, 137392), (4432, 117335), (5540, 93868), (6056, 85870), (7570, 68696), (8587, 60560), (11080, 46934), (12112, 42935), (15140, 34348), (17174, 30280), (22160, 23467)]