80091800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 194779200

約数和(自身を除く): 114687400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 67, 86, 100, 134, 139, 172, 200, 215, 268, 278, 335, 344, 430, 536, 556, 670, 695, 860, 1075, 1112, 1340, 1390, 1675, 1720, 2150, 2680, 2780, 2881, 3350, 3475, 4300, 5560, 5762, 5977, 6700, 6950, 8600, 9313, 11524, 11954, 13400, 13900, 14405, 18626, 23048, 23908, 27800, 28810, 29885, 37252, 46565, 47816, 57620, 59770, 72025, 74504, 93130, 115240, 119540, 144050, 149425, 186260, 232825, 239080, 288100, 298850, 372520, 400459, 465650, 576200, 597700, 800918, 931300, 1195400, 1601836, 1862600, 2002295, 3203672, 4004590, 8009180, 10011475, 16018360, 20022950, 40045900, 80091800]

約数ペア:

[(1, 80091800), (2, 40045900), (4, 20022950), (5, 16018360), (8, 10011475), (10, 8009180), (20, 4004590), (25, 3203672), (40, 2002295), (43, 1862600), (50, 1601836), (67, 1195400), (86, 931300), (100, 800918), (134, 597700), (139, 576200), (172, 465650), (200, 400459), (215, 372520), (268, 298850), (278, 288100), (335, 239080), (344, 232825), (430, 186260), (536, 149425), (556, 144050), (670, 119540), (695, 115240), (860, 93130), (1075, 74504), (1112, 72025), (1340, 59770), (1390, 57620), (1675, 47816), (1720, 46565), (2150, 37252), (2680, 29885), (2780, 28810), (2881, 27800), (3350, 23908), (3475, 23048), (4300, 18626), (5560, 14405), (5762, 13900), (5977, 13400), (6700, 11954), (6950, 11524), (8600, 9313)]