6765980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 15621984

約数和(自身を除く): 8856004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 491, 530, 689, 982, 1060, 1378, 1964, 2455, 2756, 3445, 4910, 6383, 6890, 9820, 12766, 13780, 25532, 26023, 31915, 52046, 63830, 104092, 127660, 130115, 260230, 338299, 520460, 676598, 1353196, 1691495, 3382990, 6765980]

約数ペア:

[(1, 6765980), (2, 3382990), (4, 1691495), (5, 1353196), (10, 676598), (13, 520460), (20, 338299), (26, 260230), (52, 130115), (53, 127660), (65, 104092), (106, 63830), (130, 52046), (212, 31915), (260, 26023), (265, 25532), (491, 13780), (530, 12766), (689, 9820), (982, 6890), (1060, 6383), (1378, 4910), (1964, 3445), (2455, 2756)]