172960880

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8971}}^1$

素因数の和:9225

約数の個数: 40

約数和(自身を含む): 403847664

約数和(自身を除く): 230886784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 8971, 9640, 17942, 19280, 35884, 44855, 71768, 89710, 143536, 179420, 358840, 717680, 2162011, 4324022, 8648044, 10810055, 17296088, 21620110, 34592176, 43240220, 86480440, 172960880]

約数ペア:

[(1, 172960880), (2, 86480440), (4, 43240220), (5, 34592176), (8, 21620110), (10, 17296088), (16, 10810055), (20, 8648044), (40, 4324022), (80, 2162011), (241, 717680), (482, 358840), (964, 179420), (1205, 143536), (1928, 89710), (2410, 71768), (3856, 44855), (4820, 35884), (8971, 19280), (9640, 17942)]