99818680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1544

約数の個数: 64

約数和(自身を含む): 243784800

約数和(自身を除く): 143966120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1381, 1390, 1807, 2762, 2780, 3614, 5524, 5560, 6905, 7228, 9035, 11048, 13810, 14456, 17953, 18070, 27620, 35906, 36140, 55240, 71812, 72280, 89765, 143624, 179530, 191959, 359060, 383918, 718120, 767836, 959795, 1535672, 1919590, 2495467, 3839180, 4990934, 7678360, 9981868, 12477335, 19963736, 24954670, 49909340, 99818680]

約数ペア:

[(1, 99818680), (2, 49909340), (4, 24954670), (5, 19963736), (8, 12477335), (10, 9981868), (13, 7678360), (20, 4990934), (26, 3839180), (40, 2495467), (52, 1919590), (65, 1535672), (104, 959795), (130, 767836), (139, 718120), (260, 383918), (278, 359060), (520, 191959), (556, 179530), (695, 143624), (1112, 89765), (1381, 72280), (1390, 71812), (1807, 55240), (2762, 36140), (2780, 35906), (3614, 27620), (5524, 18070), (5560, 17953), (6905, 14456), (7228, 13810), (9035, 11048)]