25859380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4048

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 34681100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4003, 6460, 8006, 16012, 20015, 40030, 68051, 76057, 80060, 136102, 152114, 272204, 304228, 340255, 380285, 680510, 760570, 1292969, 1361020, 1521140, 2585938, 5171876, 6464845, 12929690, 25859380]

約数ペア:

[(1, 25859380), (2, 12929690), (4, 6464845), (5, 5171876), (10, 2585938), (17, 1521140), (19, 1361020), (20, 1292969), (34, 760570), (38, 680510), (68, 380285), (76, 340255), (85, 304228), (95, 272204), (170, 152114), (190, 136102), (323, 80060), (340, 76057), (380, 68051), (646, 40030), (1292, 20015), (1615, 16012), (3230, 8006), (4003, 6460)]