40590160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 104993280

約数和(自身を除く): 64403120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1259, 1612, 2015, 2480, 2518, 3224, 4030, 5036, 6295, 6448, 8060, 10072, 12590, 16120, 16367, 20144, 25180, 32240, 32734, 39029, 50360, 65468, 78058, 81835, 100720, 130936, 156116, 163670, 195145, 261872, 312232, 327340, 390290, 507377, 624464, 654680, 780580, 1014754, 1309360, 1561160, 2029508, 2536885, 3122320, 4059016, 5073770, 8118032, 10147540, 20295080, 40590160]

約数ペア:

[(1, 40590160), (2, 20295080), (4, 10147540), (5, 8118032), (8, 5073770), (10, 4059016), (13, 3122320), (16, 2536885), (20, 2029508), (26, 1561160), (31, 1309360), (40, 1014754), (52, 780580), (62, 654680), (65, 624464), (80, 507377), (104, 390290), (124, 327340), (130, 312232), (155, 261872), (208, 195145), (248, 163670), (260, 156116), (310, 130936), (403, 100720), (496, 81835), (520, 78058), (620, 65468), (806, 50360), (1040, 39029), (1240, 32734), (1259, 32240), (1612, 25180), (2015, 20144), (2480, 16367), (2518, 16120), (3224, 12590), (4030, 10072), (5036, 8060), (6295, 6448)]