25584830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 51911280

約数和(自身を除く): 26326450

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 89, 95, 170, 178, 190, 323, 445, 646, 890, 1513, 1615, 1691, 3026, 3230, 3382, 7565, 7921, 8455, 15130, 15842, 16910, 28747, 39605, 57494, 79210, 134657, 143735, 150499, 269314, 287470, 300998, 673285, 752495, 1346570, 1504990, 2558483, 5116966, 12792415, 25584830]

約数ペア:

[(1, 25584830), (2, 12792415), (5, 5116966), (10, 2558483), (17, 1504990), (19, 1346570), (34, 752495), (38, 673285), (85, 300998), (89, 287470), (95, 269314), (170, 150499), (178, 143735), (190, 134657), (323, 79210), (445, 57494), (646, 39605), (890, 28747), (1513, 16910), (1615, 15842), (1691, 15130), (3026, 8455), (3230, 7921), (3382, 7565)]