25280100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{3121}}^1$

素因数の和:3147

約数の個数: 90

約数和(自身を含む): 81974354

約数和(自身を除く): 56694254

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 3121, 4050, 6242, 8100, 9363, 12484, 15605, 18726, 28089, 31210, 37452, 46815, 56178, 62420, 78025, 84267, 93630, 112356, 140445, 156050, 168534, 187260, 234075, 252801, 280890, 312100, 337068, 421335, 468150, 505602, 561780, 702225, 842670, 936300, 1011204, 1264005, 1404450, 1685340, 2106675, 2528010, 2808900, 4213350, 5056020, 6320025, 8426700, 12640050, 25280100]

約数ペア:

[(1, 25280100), (2, 12640050), (3, 8426700), (4, 6320025), (5, 5056020), (6, 4213350), (9, 2808900), (10, 2528010), (12, 2106675), (15, 1685340), (18, 1404450), (20, 1264005), (25, 1011204), (27, 936300), (30, 842670), (36, 702225), (45, 561780), (50, 505602), (54, 468150), (60, 421335), (75, 337068), (81, 312100), (90, 280890), (100, 252801), (108, 234075), (135, 187260), (150, 168534), (162, 156050), (180, 140445), (225, 112356), (270, 93630), (300, 84267), (324, 78025), (405, 62420), (450, 56178), (540, 46815), (675, 37452), (810, 31210), (900, 28089), (1350, 18726), (1620, 15605), (2025, 12484), (2700, 9363), (3121, 8100), (4050, 6242)]