39688720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26111}}^1$

素因数の和:26143

約数の個数: 40

約数和(自身を含む): 97136640

約数和(自身を除く): 57447920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26111, 52222, 104444, 130555, 208888, 261110, 417776, 496109, 522220, 992218, 1044440, 1984436, 2088880, 2480545, 3968872, 4961090, 7937744, 9922180, 19844360, 39688720]

約数ペア:

[(1, 39688720), (2, 19844360), (4, 9922180), (5, 7937744), (8, 4961090), (10, 3968872), (16, 2480545), (19, 2088880), (20, 1984436), (38, 1044440), (40, 992218), (76, 522220), (80, 496109), (95, 417776), (152, 261110), (190, 208888), (304, 130555), (380, 104444), (760, 52222), (1520, 26111)]