16399660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 20291540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 419, 515, 838, 1030, 1676, 1957, 2060, 2095, 3914, 4190, 7828, 7961, 8380, 9785, 15922, 19570, 31844, 39140, 39805, 43157, 79610, 86314, 159220, 172628, 215785, 431570, 819983, 863140, 1639966, 3279932, 4099915, 8199830, 16399660]

約数ペア:

[(1, 16399660), (2, 8199830), (4, 4099915), (5, 3279932), (10, 1639966), (19, 863140), (20, 819983), (38, 431570), (76, 215785), (95, 172628), (103, 159220), (190, 86314), (206, 79610), (380, 43157), (412, 39805), (419, 39140), (515, 31844), (838, 19570), (1030, 15922), (1676, 9785), (1957, 8380), (2060, 7961), (2095, 7828), (3914, 4190)]