4003280

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 9395232

約数和(自身を除く): 5391952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 307, 326, 614, 652, 815, 1228, 1304, 1535, 1630, 2456, 2608, 3070, 3260, 4912, 6140, 6520, 12280, 13040, 24560, 50041, 100082, 200164, 250205, 400328, 500410, 800656, 1000820, 2001640, 4003280]

約数ペア:

[(1, 4003280), (2, 2001640), (4, 1000820), (5, 800656), (8, 500410), (10, 400328), (16, 250205), (20, 200164), (40, 100082), (80, 50041), (163, 24560), (307, 13040), (326, 12280), (614, 6520), (652, 6140), (815, 4912), (1228, 3260), (1304, 3070), (1535, 2608), (1630, 2456)]