13147940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 30258480

約数和(自身を除く): 17110540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 829, 1220, 1586, 1658, 3172, 3316, 3965, 4145, 7930, 8290, 10777, 15860, 16580, 21554, 43108, 50569, 53885, 101138, 107770, 202276, 215540, 252845, 505690, 657397, 1011380, 1314794, 2629588, 3286985, 6573970, 13147940]

約数ペア:

[(1, 13147940), (2, 6573970), (4, 3286985), (5, 2629588), (10, 1314794), (13, 1011380), (20, 657397), (26, 505690), (52, 252845), (61, 215540), (65, 202276), (122, 107770), (130, 101138), (244, 53885), (260, 50569), (305, 43108), (610, 21554), (793, 16580), (829, 15860), (1220, 10777), (1586, 8290), (1658, 7930), (3172, 4145), (3316, 3965)]