15897680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10459}}^1$

素因数の和:10491

約数の個数: 40

約数和(自身を含む): 38911200

約数和(自身を除く): 23013520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10459, 20918, 41836, 52295, 83672, 104590, 167344, 198721, 209180, 397442, 418360, 794884, 836720, 993605, 1589768, 1987210, 3179536, 3974420, 7948840, 15897680]

約数ペア:

[(1, 15897680), (2, 7948840), (4, 3974420), (5, 3179536), (8, 1987210), (10, 1589768), (16, 993605), (19, 836720), (20, 794884), (38, 418360), (40, 397442), (76, 209180), (80, 198721), (95, 167344), (152, 104590), (190, 83672), (304, 52295), (380, 41836), (760, 20918), (1520, 10459)]