71856320

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:969

約数の個数: 56

約数和(自身を含む): 171834048

約数和(自身を除く): 99977728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 521, 862, 1042, 1724, 2084, 2155, 2605, 3448, 4168, 4310, 5210, 6896, 8336, 8620, 10420, 13792, 16672, 17240, 20840, 27584, 33344, 34480, 41680, 68960, 83360, 137920, 166720, 224551, 449102, 898204, 1122755, 1796408, 2245510, 3592816, 4491020, 7185632, 8982040, 14371264, 17964080, 35928160, 71856320]

約数ペア:

[(1, 71856320), (2, 35928160), (4, 17964080), (5, 14371264), (8, 8982040), (10, 7185632), (16, 4491020), (20, 3592816), (32, 2245510), (40, 1796408), (64, 1122755), (80, 898204), (160, 449102), (320, 224551), (431, 166720), (521, 137920), (862, 83360), (1042, 68960), (1724, 41680), (2084, 34480), (2155, 33344), (2605, 27584), (3448, 20840), (4168, 17240), (4310, 16672), (5210, 13792), (6896, 10420), (8336, 8620)]