6640000

素因数分解:

$2^7\times 5^4\times {\mathrm{83}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 16729020

約数和(自身を除く): 10089020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 125, 128, 160, 166, 200, 250, 320, 332, 400, 415, 500, 625, 640, 664, 800, 830, 1000, 1250, 1328, 1600, 1660, 2000, 2075, 2500, 2656, 3200, 3320, 4000, 4150, 5000, 5312, 6640, 8000, 8300, 10000, 10375, 10624, 13280, 16000, 16600, 20000, 20750, 26560, 33200, 40000, 41500, 51875, 53120, 66400, 80000, 83000, 103750, 132800, 166000, 207500, 265600, 332000, 415000, 664000, 830000, 1328000, 1660000, 3320000, 6640000]

約数ペア:

[(1, 6640000), (2, 3320000), (4, 1660000), (5, 1328000), (8, 830000), (10, 664000), (16, 415000), (20, 332000), (25, 265600), (32, 207500), (40, 166000), (50, 132800), (64, 103750), (80, 83000), (83, 80000), (100, 66400), (125, 53120), (128, 51875), (160, 41500), (166, 40000), (200, 33200), (250, 26560), (320, 20750), (332, 20000), (400, 16600), (415, 16000), (500, 13280), (625, 10624), (640, 10375), (664, 10000), (800, 8300), (830, 8000), (1000, 6640), (1250, 5312), (1328, 5000), (1600, 4150), (1660, 4000), (2000, 3320), (2075, 3200), (2500, 2656)]