79320020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6491}}^1$

素因数の和:6560

約数の個数: 48

約数和(自身を含む): 183230208

約数和(自身を除く): 103910188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 6491, 12220, 12982, 25964, 32455, 64910, 84383, 129820, 168766, 305077, 337532, 421915, 610154, 843830, 1220308, 1525385, 1687660, 3050770, 3966001, 6101540, 7932002, 15864004, 19830005, 39660010, 79320020]

約数ペア:

[(1, 79320020), (2, 39660010), (4, 19830005), (5, 15864004), (10, 7932002), (13, 6101540), (20, 3966001), (26, 3050770), (47, 1687660), (52, 1525385), (65, 1220308), (94, 843830), (130, 610154), (188, 421915), (235, 337532), (260, 305077), (470, 168766), (611, 129820), (940, 84383), (1222, 64910), (2444, 32455), (3055, 25964), (6110, 12982), (6491, 12220)]