16447240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11113}}^1$

素因数の和:11161

約数の個数: 32

約数和(自身を含む): 38009880

約数和(自身を除く): 21562640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 11113, 22226, 44452, 55565, 88904, 111130, 222260, 411181, 444520, 822362, 1644724, 2055905, 3289448, 4111810, 8223620, 16447240]

約数ペア:

[(1, 16447240), (2, 8223620), (4, 4111810), (5, 3289448), (8, 2055905), (10, 1644724), (20, 822362), (37, 444520), (40, 411181), (74, 222260), (148, 111130), (185, 88904), (296, 55565), (370, 44452), (740, 22226), (1480, 11113)]