315065320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{192113}}^1$

素因数の和:192165

約数の個数: 32

約数和(自身を含む): 726190920

約数和(自身を除く): 411125600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 192113, 384226, 768452, 960565, 1536904, 1921130, 3842260, 7684520, 7876633, 15753266, 31506532, 39383165, 63013064, 78766330, 157532660, 315065320]

約数ペア:

[(1, 315065320), (2, 157532660), (4, 78766330), (5, 63013064), (8, 39383165), (10, 31506532), (20, 15753266), (40, 7876633), (41, 7684520), (82, 3842260), (164, 1921130), (205, 1536904), (328, 960565), (410, 768452), (820, 384226), (1640, 192113)]