26814380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 59162880

約数和(自身を除く): 32348500

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 709, 1220, 1418, 1891, 2836, 3545, 3782, 7090, 7564, 9455, 14180, 18910, 21979, 37820, 43249, 43958, 86498, 87916, 109895, 172996, 216245, 219790, 432490, 439580, 864980, 1340719, 2681438, 5362876, 6703595, 13407190, 26814380]

約数ペア:

[(1, 26814380), (2, 13407190), (4, 6703595), (5, 5362876), (10, 2681438), (20, 1340719), (31, 864980), (61, 439580), (62, 432490), (122, 219790), (124, 216245), (155, 172996), (244, 109895), (305, 87916), (310, 86498), (610, 43958), (620, 43249), (709, 37820), (1220, 21979), (1418, 18910), (1891, 14180), (2836, 9455), (3545, 7564), (3782, 7090)]