65070320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 174417408

約数和(自身を除く): 109347088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 887, 917, 1048, 1310, 1774, 1834, 2096, 2620, 3548, 3668, 4435, 4585, 5240, 6209, 7096, 7336, 8870, 9170, 10480, 12418, 14192, 14672, 17740, 18340, 24836, 31045, 35480, 36680, 49672, 62090, 70960, 73360, 99344, 116197, 124180, 232394, 248360, 464788, 496720, 580985, 813379, 929576, 1161970, 1626758, 1859152, 2323940, 3253516, 4066895, 4647880, 6507032, 8133790, 9295760, 13014064, 16267580, 32535160, 65070320]

約数ペア:

[(1, 65070320), (2, 32535160), (4, 16267580), (5, 13014064), (7, 9295760), (8, 8133790), (10, 6507032), (14, 4647880), (16, 4066895), (20, 3253516), (28, 2323940), (35, 1859152), (40, 1626758), (56, 1161970), (70, 929576), (80, 813379), (112, 580985), (131, 496720), (140, 464788), (262, 248360), (280, 232394), (524, 124180), (560, 116197), (655, 99344), (887, 73360), (917, 70960), (1048, 62090), (1310, 49672), (1774, 36680), (1834, 35480), (2096, 31045), (2620, 24836), (3548, 18340), (3668, 17740), (4435, 14672), (4585, 14192), (5240, 12418), (6209, 10480), (7096, 9170), (7336, 8870)]