28776680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 69811200

約数和(自身を除く): 41034520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1009, 1240, 1426, 2018, 2852, 3565, 4036, 5045, 5704, 7130, 8072, 10090, 14260, 20180, 23207, 28520, 31279, 40360, 46414, 62558, 92828, 116035, 125116, 156395, 185656, 232070, 250232, 312790, 464140, 625580, 719417, 928280, 1251160, 1438834, 2877668, 3597085, 5755336, 7194170, 14388340, 28776680]

約数ペア:

[(1, 28776680), (2, 14388340), (4, 7194170), (5, 5755336), (8, 3597085), (10, 2877668), (20, 1438834), (23, 1251160), (31, 928280), (40, 719417), (46, 625580), (62, 464140), (92, 312790), (115, 250232), (124, 232070), (155, 185656), (184, 156395), (230, 125116), (248, 116035), (310, 92828), (460, 62558), (620, 46414), (713, 40360), (920, 31279), (1009, 28520), (1240, 23207), (1426, 20180), (2018, 14260), (2852, 10090), (3565, 8072), (4036, 7130), (5045, 5704)]