80129560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{683}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 126712040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 683, 838, 1366, 1676, 2095, 2732, 2933, 3352, 3415, 4190, 4781, 5464, 5866, 6830, 8380, 9562, 11732, 13660, 14665, 16760, 19124, 23464, 23905, 27320, 29330, 38248, 47810, 58660, 95620, 117320, 191240, 286177, 572354, 1144708, 1430885, 2003239, 2289416, 2861770, 4006478, 5723540, 8012956, 10016195, 11447080, 16025912, 20032390, 40064780, 80129560]

約数ペア:

[(1, 80129560), (2, 40064780), (4, 20032390), (5, 16025912), (7, 11447080), (8, 10016195), (10, 8012956), (14, 5723540), (20, 4006478), (28, 2861770), (35, 2289416), (40, 2003239), (56, 1430885), (70, 1144708), (140, 572354), (280, 286177), (419, 191240), (683, 117320), (838, 95620), (1366, 58660), (1676, 47810), (2095, 38248), (2732, 29330), (2933, 27320), (3352, 23905), (3415, 23464), (4190, 19124), (4781, 16760), (5464, 14665), (5866, 13660), (6830, 11732), (8380, 9562)]