1330654040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{627667}}^1$

素因数の和:627731

約数の個数: 32

約数和(自身を含む): 3050466480

約数和(自身を除く): 1719812440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 627667, 1255334, 2510668, 3138335, 5021336, 6276670, 12553340, 25106680, 33266351, 66532702, 133065404, 166331755, 266130808, 332663510, 665327020, 1330654040]

約数ペア:

[(1, 1330654040), (2, 665327020), (4, 332663510), (5, 266130808), (8, 166331755), (10, 133065404), (20, 66532702), (40, 33266351), (53, 25106680), (106, 12553340), (212, 6276670), (265, 5021336), (424, 3138335), (530, 2510668), (1060, 1255334), (2120, 627667)]