51938320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 139098240

約数和(自身を除く): 87159920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 569, 652, 815, 1138, 1141, 1304, 1630, 2276, 2282, 2608, 2845, 3260, 3983, 4552, 4564, 5690, 5705, 6520, 7966, 9104, 9128, 11380, 11410, 13040, 15932, 18256, 19915, 22760, 22820, 31864, 39830, 45520, 45640, 63728, 79660, 91280, 92747, 159320, 185494, 318640, 370988, 463735, 649229, 741976, 927470, 1298458, 1483952, 1854940, 2596916, 3246145, 3709880, 5193832, 6492290, 7419760, 10387664, 12984580, 25969160, 51938320]

約数ペア:

[(1, 51938320), (2, 25969160), (4, 12984580), (5, 10387664), (7, 7419760), (8, 6492290), (10, 5193832), (14, 3709880), (16, 3246145), (20, 2596916), (28, 1854940), (35, 1483952), (40, 1298458), (56, 927470), (70, 741976), (80, 649229), (112, 463735), (140, 370988), (163, 318640), (280, 185494), (326, 159320), (560, 92747), (569, 91280), (652, 79660), (815, 63728), (1138, 45640), (1141, 45520), (1304, 39830), (1630, 31864), (2276, 22820), (2282, 22760), (2608, 19915), (2845, 18256), (3260, 15932), (3983, 13040), (4552, 11410), (4564, 11380), (5690, 9128), (5705, 9104), (6520, 7966)]