7122440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13697}}^1$

素因数の和:13721

約数の個数: 32

約数和(自身を含む): 17259480

約数和(自身を除く): 10137040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13697, 27394, 54788, 68485, 109576, 136970, 178061, 273940, 356122, 547880, 712244, 890305, 1424488, 1780610, 3561220, 7122440]

約数ペア:

[(1, 7122440), (2, 3561220), (4, 1780610), (5, 1424488), (8, 890305), (10, 712244), (13, 547880), (20, 356122), (26, 273940), (40, 178061), (52, 136970), (65, 109576), (104, 68485), (130, 54788), (260, 27394), (520, 13697)]