40206790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 80610768

約数和(自身を除く): 40403978

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 481, 643, 845, 962, 1286, 1690, 2405, 3215, 4810, 6253, 6430, 8359, 12506, 16718, 23791, 31265, 41795, 47582, 62530, 83590, 108667, 118955, 217334, 237910, 309283, 543335, 618566, 1086670, 1546415, 3092830, 4020679, 8041358, 20103395, 40206790]

約数ペア:

[(1, 40206790), (2, 20103395), (5, 8041358), (10, 4020679), (13, 3092830), (26, 1546415), (37, 1086670), (65, 618566), (74, 543335), (130, 309283), (169, 237910), (185, 217334), (338, 118955), (370, 108667), (481, 83590), (643, 62530), (845, 47582), (962, 41795), (1286, 31265), (1690, 23791), (2405, 16718), (3215, 12506), (4810, 8359), (6253, 6430)]