23223680

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 56144880

約数和(自身を除く): 32921200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 277, 320, 524, 554, 640, 655, 1048, 1108, 1310, 1385, 2096, 2216, 2620, 2770, 4192, 4432, 5240, 5540, 8384, 8864, 10480, 11080, 16768, 17728, 20960, 22160, 35456, 36287, 41920, 44320, 72574, 83840, 88640, 145148, 177280, 181435, 290296, 362870, 580592, 725740, 1161184, 1451480, 2322368, 2902960, 4644736, 5805920, 11611840, 23223680]

約数ペア:

[(1, 23223680), (2, 11611840), (4, 5805920), (5, 4644736), (8, 2902960), (10, 2322368), (16, 1451480), (20, 1161184), (32, 725740), (40, 580592), (64, 362870), (80, 290296), (128, 181435), (131, 177280), (160, 145148), (262, 88640), (277, 83840), (320, 72574), (524, 44320), (554, 41920), (640, 36287), (655, 35456), (1048, 22160), (1108, 20960), (1310, 17728), (1385, 16768), (2096, 11080), (2216, 10480), (2620, 8864), (2770, 8384), (4192, 5540), (4432, 5240)]