65321000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 154889280

約数和(自身を除く): 89568280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 332, 415, 500, 664, 787, 830, 1000, 1574, 1660, 2075, 3148, 3320, 3935, 4150, 6296, 7870, 8300, 10375, 15740, 16600, 19675, 20750, 31480, 39350, 41500, 65321, 78700, 83000, 98375, 130642, 157400, 196750, 261284, 326605, 393500, 522568, 653210, 787000, 1306420, 1633025, 2612840, 3266050, 6532100, 8165125, 13064200, 16330250, 32660500, 65321000]

約数ペア:

[(1, 65321000), (2, 32660500), (4, 16330250), (5, 13064200), (8, 8165125), (10, 6532100), (20, 3266050), (25, 2612840), (40, 1633025), (50, 1306420), (83, 787000), (100, 653210), (125, 522568), (166, 393500), (200, 326605), (250, 261284), (332, 196750), (415, 157400), (500, 130642), (664, 98375), (787, 83000), (830, 78700), (1000, 65321), (1574, 41500), (1660, 39350), (2075, 31480), (3148, 20750), (3320, 19675), (3935, 16600), (4150, 15740), (6296, 10375), (7870, 8300)]