40465420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 88099200

約数和(自身を除く): 47633780

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 367, 370, 596, 734, 740, 745, 1468, 1490, 1835, 2980, 3670, 5513, 7340, 11026, 13579, 22052, 27158, 27565, 54316, 54683, 55130, 67895, 109366, 110260, 135790, 218732, 271580, 273415, 546830, 1093660, 2023271, 4046542, 8093084, 10116355, 20232710, 40465420]

約数ペア:

[(1, 40465420), (2, 20232710), (4, 10116355), (5, 8093084), (10, 4046542), (20, 2023271), (37, 1093660), (74, 546830), (148, 273415), (149, 271580), (185, 218732), (298, 135790), (367, 110260), (370, 109366), (596, 67895), (734, 55130), (740, 54683), (745, 54316), (1468, 27565), (1490, 27158), (1835, 22052), (2980, 13579), (3670, 11026), (5513, 7340)]