20087965160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1\times {\mathrm{10303}}^1$

素因数の和:11010

約数の個数: 64

約数和(自身を含む): 45848678400

約数和(自身を除く): 25760713240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 617, 632, 790, 1234, 1580, 2468, 3085, 3160, 4936, 6170, 10303, 12340, 20606, 24680, 41212, 48743, 51515, 82424, 97486, 103030, 194972, 206060, 243715, 389944, 412120, 487430, 813937, 974860, 1627874, 1949720, 3255748, 4069685, 6356951, 6511496, 8139370, 12713902, 16278740, 25427804, 31784755, 32557480, 50855608, 63569510, 127139020, 254278040, 502199129, 1004398258, 2008796516, 2510995645, 4017593032, 5021991290, 10043982580, 20087965160]

約数ペア:

[(1, 20087965160), (2, 10043982580), (4, 5021991290), (5, 4017593032), (8, 2510995645), (10, 2008796516), (20, 1004398258), (40, 502199129), (79, 254278040), (158, 127139020), (316, 63569510), (395, 50855608), (617, 32557480), (632, 31784755), (790, 25427804), (1234, 16278740), (1580, 12713902), (2468, 8139370), (3085, 6511496), (3160, 6356951), (4936, 4069685), (6170, 3255748), (10303, 1949720), (12340, 1627874), (20606, 974860), (24680, 813937), (41212, 487430), (48743, 412120), (51515, 389944), (82424, 243715), (97486, 206060), (103030, 194972)]