636840880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{5419}}^1$

素因数の和:5558

約数の個数: 80

約数和(自身を含む): 1608959520

約数和(自身を除く): 972118640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 113, 130, 208, 226, 260, 452, 520, 565, 904, 1040, 1130, 1469, 1808, 2260, 2938, 4520, 5419, 5876, 7345, 9040, 10838, 11752, 14690, 21676, 23504, 27095, 29380, 43352, 54190, 58760, 70447, 86704, 108380, 117520, 140894, 216760, 281788, 352235, 433520, 563576, 612347, 704470, 1127152, 1224694, 1408940, 2449388, 2817880, 3061735, 4898776, 5635760, 6123470, 7960511, 9797552, 12246940, 15921022, 24493880, 31842044, 39802555, 48987760, 63684088, 79605110, 127368176, 159210220, 318420440, 636840880]

約数ペア:

[(1, 636840880), (2, 318420440), (4, 159210220), (5, 127368176), (8, 79605110), (10, 63684088), (13, 48987760), (16, 39802555), (20, 31842044), (26, 24493880), (40, 15921022), (52, 12246940), (65, 9797552), (80, 7960511), (104, 6123470), (113, 5635760), (130, 4898776), (208, 3061735), (226, 2817880), (260, 2449388), (452, 1408940), (520, 1224694), (565, 1127152), (904, 704470), (1040, 612347), (1130, 563576), (1469, 433520), (1808, 352235), (2260, 281788), (2938, 216760), (4520, 140894), (5419, 117520), (5876, 108380), (7345, 86704), (9040, 70447), (10838, 58760), (11752, 54190), (14690, 43352), (21676, 29380), (23504, 27095)]