126219080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242729}}^1$

素因数の和:242753

約数の個数: 32

約数和(自身を含む): 305839800

約数和(自身を除く): 179620720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 242729, 485458, 970916, 1213645, 1941832, 2427290, 3155477, 4854580, 6310954, 9709160, 12621908, 15777385, 25243816, 31554770, 63109540, 126219080]

約数ペア:

[(1, 126219080), (2, 63109540), (4, 31554770), (5, 25243816), (8, 15777385), (10, 12621908), (13, 9709160), (20, 6310954), (26, 4854580), (40, 3155477), (52, 2427290), (65, 1941832), (104, 1213645), (130, 970916), (260, 485458), (520, 242729)]