68360500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 72

約数和(自身を含む): 161867160

約数和(自身を除く): 93506660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 250, 260, 325, 338, 500, 650, 676, 809, 845, 1300, 1618, 1625, 1690, 3236, 3250, 3380, 4045, 4225, 6500, 8090, 8450, 10517, 16180, 16900, 20225, 21034, 21125, 40450, 42068, 42250, 52585, 80900, 84500, 101125, 105170, 136721, 202250, 210340, 262925, 273442, 404500, 525850, 546884, 683605, 1051700, 1314625, 1367210, 2629250, 2734420, 3418025, 5258500, 6836050, 13672100, 17090125, 34180250, 68360500]

約数ペア:

[(1, 68360500), (2, 34180250), (4, 17090125), (5, 13672100), (10, 6836050), (13, 5258500), (20, 3418025), (25, 2734420), (26, 2629250), (50, 1367210), (52, 1314625), (65, 1051700), (100, 683605), (125, 546884), (130, 525850), (169, 404500), (250, 273442), (260, 262925), (325, 210340), (338, 202250), (500, 136721), (650, 105170), (676, 101125), (809, 84500), (845, 80900), (1300, 52585), (1618, 42250), (1625, 42068), (1690, 40450), (3236, 21125), (3250, 21034), (3380, 20225), (4045, 16900), (4225, 16180), (6500, 10517), (8090, 8450)]