40577420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 92292480

約数和(自身を除く): 51715060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 653, 956, 1195, 1306, 2390, 2612, 3107, 3265, 4780, 6214, 6530, 8489, 12428, 13060, 15535, 16978, 31070, 33956, 42445, 62140, 84890, 156067, 169780, 312134, 624268, 780335, 1560670, 2028871, 3121340, 4057742, 8115484, 10144355, 20288710, 40577420]

約数ペア:

[(1, 40577420), (2, 20288710), (4, 10144355), (5, 8115484), (10, 4057742), (13, 3121340), (20, 2028871), (26, 1560670), (52, 780335), (65, 624268), (130, 312134), (239, 169780), (260, 156067), (478, 84890), (653, 62140), (956, 42445), (1195, 33956), (1306, 31070), (2390, 16978), (2612, 15535), (3107, 13060), (3265, 12428), (4780, 8489), (6214, 6530)]