8404840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11059}}^1$

素因数の和:11089

約数の個数: 32

約数和(自身を含む): 19908000

約数和(自身を除く): 11503160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11059, 22118, 44236, 55295, 88472, 110590, 210121, 221180, 420242, 442360, 840484, 1050605, 1680968, 2101210, 4202420, 8404840]

約数ペア:

[(1, 8404840), (2, 4202420), (4, 2101210), (5, 1680968), (8, 1050605), (10, 840484), (19, 442360), (20, 420242), (38, 221180), (40, 210121), (76, 110590), (95, 88472), (152, 55295), (190, 44236), (380, 22118), (760, 11059)]