4021760

素因数分解:

$2^9\times 5^1\times {\mathrm{1571}}^1$

素因数の和:1594

約数の個数: 40

約数和(自身を含む): 9648936

約数和(自身を除く): 5627176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1571, 2560, 3142, 6284, 7855, 12568, 15710, 25136, 31420, 50272, 62840, 100544, 125680, 201088, 251360, 402176, 502720, 804352, 1005440, 2010880, 4021760]

約数ペア:

[(1, 4021760), (2, 2010880), (4, 1005440), (5, 804352), (8, 502720), (10, 402176), (16, 251360), (20, 201088), (32, 125680), (40, 100544), (64, 62840), (80, 50272), (128, 31420), (160, 25136), (256, 15710), (320, 12568), (512, 7855), (640, 6284), (1280, 3142), (1571, 2560)]