15605840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10267}}^1$

素因数の和:10299

約数の個数: 40

約数和(自身を含む): 38196960

約数和(自身を除く): 22591120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10267, 20534, 41068, 51335, 82136, 102670, 164272, 195073, 205340, 390146, 410680, 780292, 821360, 975365, 1560584, 1950730, 3121168, 3901460, 7802920, 15605840]

約数ペア:

[(1, 15605840), (2, 7802920), (4, 3901460), (5, 3121168), (8, 1950730), (10, 1560584), (16, 975365), (19, 821360), (20, 780292), (38, 410680), (40, 390146), (76, 205340), (80, 195073), (95, 164272), (152, 102670), (190, 82136), (304, 51335), (380, 41068), (760, 20534), (1520, 10267)]