49901240

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6269}}^1$

素因数の和:6479

約数の個数: 32

約数和(自身を含む): 112860000

約数和(自身を除く): 62958760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 6269, 7960, 12538, 25076, 31345, 50152, 62690, 125380, 250760, 1247531, 2495062, 4990124, 6237655, 9980248, 12475310, 24950620, 49901240]

約数ペア:

[(1, 49901240), (2, 24950620), (4, 12475310), (5, 9980248), (8, 6237655), (10, 4990124), (20, 2495062), (40, 1247531), (199, 250760), (398, 125380), (796, 62690), (995, 50152), (1592, 31345), (1990, 25076), (3980, 12538), (6269, 7960)]