26256440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 42172360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1187, 1580, 2212, 2374, 2765, 3160, 4424, 4748, 5530, 5935, 8309, 9496, 11060, 11870, 16618, 22120, 23740, 33236, 41545, 47480, 66472, 83090, 93773, 166180, 187546, 332360, 375092, 468865, 656411, 750184, 937730, 1312822, 1875460, 2625644, 3282055, 3750920, 5251288, 6564110, 13128220, 26256440]

約数ペア:

[(1, 26256440), (2, 13128220), (4, 6564110), (5, 5251288), (7, 3750920), (8, 3282055), (10, 2625644), (14, 1875460), (20, 1312822), (28, 937730), (35, 750184), (40, 656411), (56, 468865), (70, 375092), (79, 332360), (140, 187546), (158, 166180), (280, 93773), (316, 83090), (395, 66472), (553, 47480), (632, 41545), (790, 33236), (1106, 23740), (1187, 22120), (1580, 16618), (2212, 11870), (2374, 11060), (2765, 9496), (3160, 8309), (4424, 5935), (4748, 5530)]