20120800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3593}}^1$

素因数の和:3620

約数の個数: 72

約数和(自身を含む): 56152656

約数和(自身を除く): 36031856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3593, 5600, 7186, 14372, 17965, 25151, 28744, 35930, 50302, 57488, 71860, 89825, 100604, 114976, 125755, 143720, 179650, 201208, 251510, 287440, 359300, 402416, 503020, 574880, 628775, 718600, 804832, 1006040, 1257550, 1437200, 2012080, 2515100, 2874400, 4024160, 5030200, 10060400, 20120800]

約数ペア:

[(1, 20120800), (2, 10060400), (4, 5030200), (5, 4024160), (7, 2874400), (8, 2515100), (10, 2012080), (14, 1437200), (16, 1257550), (20, 1006040), (25, 804832), (28, 718600), (32, 628775), (35, 574880), (40, 503020), (50, 402416), (56, 359300), (70, 287440), (80, 251510), (100, 201208), (112, 179650), (140, 143720), (160, 125755), (175, 114976), (200, 100604), (224, 89825), (280, 71860), (350, 57488), (400, 50302), (560, 35930), (700, 28744), (800, 25151), (1120, 17965), (1400, 14372), (2800, 7186), (3593, 5600)]