26379340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 34161140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1429, 1846, 2858, 3692, 4615, 5716, 7145, 9230, 14290, 18460, 18577, 28580, 37154, 74308, 92885, 101459, 185770, 202918, 371540, 405836, 507295, 1014590, 1318967, 2029180, 2637934, 5275868, 6594835, 13189670, 26379340]

約数ペア:

[(1, 26379340), (2, 13189670), (4, 6594835), (5, 5275868), (10, 2637934), (13, 2029180), (20, 1318967), (26, 1014590), (52, 507295), (65, 405836), (71, 371540), (130, 202918), (142, 185770), (260, 101459), (284, 92885), (355, 74308), (710, 37154), (923, 28580), (1420, 18577), (1429, 18460), (1846, 14290), (2858, 9230), (3692, 7145), (4615, 5716)]