22236920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 30294280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 227, 248, 310, 316, 395, 454, 620, 632, 790, 908, 1135, 1240, 1580, 1816, 2270, 2449, 3160, 4540, 4898, 7037, 9080, 9796, 12245, 14074, 17933, 19592, 24490, 28148, 35185, 35866, 48980, 56296, 70370, 71732, 89665, 97960, 140740, 143464, 179330, 281480, 358660, 555923, 717320, 1111846, 2223692, 2779615, 4447384, 5559230, 11118460, 22236920]

約数ペア:

[(1, 22236920), (2, 11118460), (4, 5559230), (5, 4447384), (8, 2779615), (10, 2223692), (20, 1111846), (31, 717320), (40, 555923), (62, 358660), (79, 281480), (124, 179330), (155, 143464), (158, 140740), (227, 97960), (248, 89665), (310, 71732), (316, 70370), (395, 56296), (454, 48980), (620, 35866), (632, 35185), (790, 28148), (908, 24490), (1135, 19592), (1240, 17933), (1580, 14074), (1816, 12245), (2270, 9796), (2449, 9080), (3160, 7037), (4540, 4898)]