51851840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5275

約数の個数: 56

約数和(自身を含む): 127479552

約数和(自身を除く): 75627712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 5227, 9920, 10454, 20908, 26135, 41816, 52270, 83632, 104540, 162037, 167264, 209080, 324074, 334528, 418160, 648148, 810185, 836320, 1296296, 1620370, 1672640, 2592592, 3240740, 5185184, 6481480, 10370368, 12962960, 25925920, 51851840]

約数ペア:

[(1, 51851840), (2, 25925920), (4, 12962960), (5, 10370368), (8, 6481480), (10, 5185184), (16, 3240740), (20, 2592592), (31, 1672640), (32, 1620370), (40, 1296296), (62, 836320), (64, 810185), (80, 648148), (124, 418160), (155, 334528), (160, 324074), (248, 209080), (310, 167264), (320, 162037), (496, 104540), (620, 83632), (992, 52270), (1240, 41816), (1984, 26135), (2480, 20908), (4960, 10454), (5227, 9920)]