80476220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 193729536

約数和(自身を除く): 113253316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 47, 55, 86, 94, 110, 172, 181, 188, 215, 220, 235, 362, 430, 470, 473, 517, 724, 860, 905, 940, 946, 1034, 1810, 1892, 1991, 2021, 2068, 2365, 2585, 3620, 3982, 4042, 4730, 5170, 7783, 7964, 8084, 8507, 9460, 9955, 10105, 10340, 15566, 17014, 19910, 20210, 22231, 31132, 34028, 38915, 39820, 40420, 42535, 44462, 77830, 85070, 85613, 88924, 93577, 111155, 155660, 170140, 171226, 187154, 222310, 342452, 365801, 374308, 428065, 444620, 467885, 731602, 856130, 935770, 1463204, 1712260, 1829005, 1871540, 3658010, 4023811, 7316020, 8047622, 16095244, 20119055, 40238110, 80476220]

約数ペア:

[(1, 80476220), (2, 40238110), (4, 20119055), (5, 16095244), (10, 8047622), (11, 7316020), (20, 4023811), (22, 3658010), (43, 1871540), (44, 1829005), (47, 1712260), (55, 1463204), (86, 935770), (94, 856130), (110, 731602), (172, 467885), (181, 444620), (188, 428065), (215, 374308), (220, 365801), (235, 342452), (362, 222310), (430, 187154), (470, 171226), (473, 170140), (517, 155660), (724, 111155), (860, 93577), (905, 88924), (940, 85613), (946, 85070), (1034, 77830), (1810, 44462), (1892, 42535), (1991, 40420), (2021, 39820), (2068, 38915), (2365, 34028), (2585, 31132), (3620, 22231), (3982, 20210), (4042, 19910), (4730, 17014), (5170, 15566), (7783, 10340), (7964, 10105), (8084, 9955), (8507, 9460)]