19627840

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 56

約数和(自身を含む): 47365920

約数和(自身を除く): 27738080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 739, 830, 1328, 1478, 1660, 2656, 2956, 3320, 3695, 5312, 5912, 6640, 7390, 11824, 13280, 14780, 23648, 26560, 29560, 47296, 59120, 61337, 118240, 122674, 236480, 245348, 306685, 490696, 613370, 981392, 1226740, 1962784, 2453480, 3925568, 4906960, 9813920, 19627840]

約数ペア:

[(1, 19627840), (2, 9813920), (4, 4906960), (5, 3925568), (8, 2453480), (10, 1962784), (16, 1226740), (20, 981392), (32, 613370), (40, 490696), (64, 306685), (80, 245348), (83, 236480), (160, 122674), (166, 118240), (320, 61337), (332, 59120), (415, 47296), (664, 29560), (739, 26560), (830, 23648), (1328, 14780), (1478, 13280), (1660, 11824), (2656, 7390), (2956, 6640), (3320, 5912), (3695, 5312)]