38391640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4472

約数の個数: 64

約数和(自身を含む): 101928960

約数和(自身を除く): 63537320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 4423, 8680, 8846, 17692, 22115, 30961, 35384, 44230, 61922, 88460, 123844, 137113, 154805, 176920, 247688, 274226, 309610, 548452, 619220, 685565, 959791, 1096904, 1238440, 1371130, 1919582, 2742260, 3839164, 4798955, 5484520, 7678328, 9597910, 19195820, 38391640]

約数ペア:

[(1, 38391640), (2, 19195820), (4, 9597910), (5, 7678328), (7, 5484520), (8, 4798955), (10, 3839164), (14, 2742260), (20, 1919582), (28, 1371130), (31, 1238440), (35, 1096904), (40, 959791), (56, 685565), (62, 619220), (70, 548452), (124, 309610), (140, 274226), (155, 247688), (217, 176920), (248, 154805), (280, 137113), (310, 123844), (434, 88460), (620, 61922), (868, 44230), (1085, 35384), (1240, 30961), (1736, 22115), (2170, 17692), (4340, 8846), (4423, 8680)]