2021338120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{3083}}^1$

素因数の和:3574

約数の個数: 64

約数和(自身を含む): 4682992320

約数和(自身を除く): 2661654200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 443, 740, 886, 1480, 1772, 2215, 3083, 3544, 4430, 6166, 8860, 12332, 15415, 16391, 17720, 24664, 30830, 32782, 61660, 65564, 81955, 114071, 123320, 131128, 163910, 228142, 327820, 456284, 570355, 655640, 912568, 1140710, 1365769, 2281420, 2731538, 4562840, 5463076, 6828845, 10926152, 13657690, 27315380, 50533453, 54630760, 101066906, 202133812, 252667265, 404267624, 505334530, 1010669060, 2021338120]

約数ペア:

[(1, 2021338120), (2, 1010669060), (4, 505334530), (5, 404267624), (8, 252667265), (10, 202133812), (20, 101066906), (37, 54630760), (40, 50533453), (74, 27315380), (148, 13657690), (185, 10926152), (296, 6828845), (370, 5463076), (443, 4562840), (740, 2731538), (886, 2281420), (1480, 1365769), (1772, 1140710), (2215, 912568), (3083, 655640), (3544, 570355), (4430, 456284), (6166, 327820), (8860, 228142), (12332, 163910), (15415, 131128), (16391, 123320), (17720, 114071), (24664, 81955), (30830, 65564), (32782, 61660)]