87474320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26669}}^1$

素因数の和:26723

約数の個数: 40

約数和(自身を含む): 208346040

約数和(自身を除く): 120871720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 26669, 53338, 106676, 133345, 213352, 266690, 426704, 533380, 1066760, 1093429, 2133520, 2186858, 4373716, 5467145, 8747432, 10934290, 17494864, 21868580, 43737160, 87474320]

約数ペア:

[(1, 87474320), (2, 43737160), (4, 21868580), (5, 17494864), (8, 10934290), (10, 8747432), (16, 5467145), (20, 4373716), (40, 2186858), (41, 2133520), (80, 1093429), (82, 1066760), (164, 533380), (205, 426704), (328, 266690), (410, 213352), (656, 133345), (820, 106676), (1640, 53338), (3280, 26669)]