26355980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2383}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 64081920

約数和(自身を除く): 37725940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2383, 2765, 4766, 5530, 9532, 11060, 11915, 16681, 23830, 33362, 47660, 66724, 83405, 166810, 188257, 333620, 376514, 753028, 941285, 1317799, 1882570, 2635598, 3765140, 5271196, 6588995, 13177990, 26355980]

約数ペア:

[(1, 26355980), (2, 13177990), (4, 6588995), (5, 5271196), (7, 3765140), (10, 2635598), (14, 1882570), (20, 1317799), (28, 941285), (35, 753028), (70, 376514), (79, 333620), (140, 188257), (158, 166810), (316, 83405), (395, 66724), (553, 47660), (790, 33362), (1106, 23830), (1580, 16681), (2212, 11915), (2383, 11060), (2765, 9532), (4766, 5530)]