13307816420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1\times {\mathrm{3163}}^1$

素因数の和:4380

約数の個数: 48

約数和(自身を含む): 28115911488

約数和(自身を除く): 14808095068

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 997, 1055, 1994, 2110, 3163, 3988, 4220, 4985, 6326, 9970, 12652, 15815, 19940, 31630, 63260, 210367, 420734, 667393, 841468, 1051835, 1334786, 2103670, 2669572, 3153511, 3336965, 4207340, 6307022, 6673930, 12614044, 13347860, 15767555, 31535110, 63070220, 665390821, 1330781642, 2661563284, 3326954105, 6653908210, 13307816420]

約数ペア:

[(1, 13307816420), (2, 6653908210), (4, 3326954105), (5, 2661563284), (10, 1330781642), (20, 665390821), (211, 63070220), (422, 31535110), (844, 15767555), (997, 13347860), (1055, 12614044), (1994, 6673930), (2110, 6307022), (3163, 4207340), (3988, 3336965), (4220, 3153511), (4985, 2669572), (6326, 2103670), (9970, 1334786), (12652, 1051835), (15815, 841468), (19940, 667393), (31630, 420734), (63260, 210367)]