40260320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8117}}^1$

素因数の和:8163

約数の個数: 48

約数和(自身を含む): 98195328

約数和(自身を除く): 57935008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 8117, 16234, 32468, 40585, 64936, 81170, 129872, 162340, 251627, 259744, 324680, 503254, 649360, 1006508, 1258135, 1298720, 2013016, 2516270, 4026032, 5032540, 8052064, 10065080, 20130160, 40260320]

約数ペア:

[(1, 40260320), (2, 20130160), (4, 10065080), (5, 8052064), (8, 5032540), (10, 4026032), (16, 2516270), (20, 2013016), (31, 1298720), (32, 1258135), (40, 1006508), (62, 649360), (80, 503254), (124, 324680), (155, 259744), (160, 251627), (248, 162340), (310, 129872), (496, 81170), (620, 64936), (992, 40585), (1240, 32468), (2480, 16234), (4960, 8117)]