6409840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4249

約数の個数: 40

約数和(自身を含む): 15690960

約数和(自身を除く): 9281120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4217, 8434, 16868, 21085, 33736, 42170, 67472, 80123, 84340, 160246, 168680, 320492, 337360, 400615, 640984, 801230, 1281968, 1602460, 3204920, 6409840]

約数ペア:

[(1, 6409840), (2, 3204920), (4, 1602460), (5, 1281968), (8, 801230), (10, 640984), (16, 400615), (19, 337360), (20, 320492), (38, 168680), (40, 160246), (76, 84340), (80, 80123), (95, 67472), (152, 42170), (190, 33736), (304, 21085), (380, 16868), (760, 8434), (1520, 4217)]