26399540

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2003}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 55550880

約数和(自身を除く): 29151340

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2003, 2636, 3295, 4006, 6590, 8012, 10015, 13180, 20030, 40060, 1319977, 2639954, 5279908, 6599885, 13199770, 26399540]

約数ペア:

[(1, 26399540), (2, 13199770), (4, 6599885), (5, 5279908), (10, 2639954), (20, 1319977), (659, 40060), (1318, 20030), (2003, 13180), (2636, 10015), (3295, 8012), (4006, 6590)]