7947626180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{153607}}^1$

素因数の和:153828

約数の個数: 48

約数和(自身を含む): 18064300800

約数和(自身を除く): 10116674620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 10348, 12935, 25870, 51740, 153607, 307214, 614428, 768035, 1536070, 1996891, 3072140, 3993782, 7987564, 9984455, 19968910, 30567793, 39937820, 61135586, 122271172, 152838965, 305677930, 397381309, 611355860, 794762618, 1589525236, 1986906545, 3973813090, 7947626180]

約数ペア:

[(1, 7947626180), (2, 3973813090), (4, 1986906545), (5, 1589525236), (10, 794762618), (13, 611355860), (20, 397381309), (26, 305677930), (52, 152838965), (65, 122271172), (130, 61135586), (199, 39937820), (260, 30567793), (398, 19968910), (796, 9984455), (995, 7987564), (1990, 3993782), (2587, 3072140), (3980, 1996891), (5174, 1536070), (10348, 768035), (12935, 614428), (25870, 307214), (51740, 153607)]