16339940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 19512604

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 311, 355, 370, 622, 710, 740, 1244, 1420, 1555, 2627, 3110, 5254, 6220, 10508, 11507, 13135, 22081, 23014, 26270, 44162, 46028, 52540, 57535, 88324, 110405, 115070, 220810, 230140, 441620, 816997, 1633994, 3267988, 4084985, 8169970, 16339940]

約数ペア:

[(1, 16339940), (2, 8169970), (4, 4084985), (5, 3267988), (10, 1633994), (20, 816997), (37, 441620), (71, 230140), (74, 220810), (142, 115070), (148, 110405), (185, 88324), (284, 57535), (311, 52540), (355, 46028), (370, 44162), (622, 26270), (710, 23014), (740, 22081), (1244, 13135), (1420, 11507), (1555, 10508), (2627, 6220), (3110, 5254)]