64204400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12347}}^1$

素因数の和:12378

約数の個数: 60

約数和(自身を含む): 166129992

約数和(自身を除く): 101925592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12347, 24694, 49388, 61735, 98776, 123470, 160511, 197552, 246940, 308675, 321022, 493880, 617350, 642044, 802555, 987760, 1234700, 1284088, 1605110, 2469400, 2568176, 3210220, 4012775, 4938800, 6420440, 8025550, 12840880, 16051100, 32102200, 64204400]

約数ペア:

[(1, 64204400), (2, 32102200), (4, 16051100), (5, 12840880), (8, 8025550), (10, 6420440), (13, 4938800), (16, 4012775), (20, 3210220), (25, 2568176), (26, 2469400), (40, 1605110), (50, 1284088), (52, 1234700), (65, 987760), (80, 802555), (100, 642044), (104, 617350), (130, 493880), (200, 321022), (208, 308675), (260, 246940), (325, 197552), (400, 160511), (520, 123470), (650, 98776), (1040, 61735), (1300, 49388), (2600, 24694), (5200, 12347)]