80572700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61979}}^1$

素因数の和:62006

約数の個数: 36

約数和(自身を含む): 188295240

約数和(自身を除く): 107722540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 61979, 123958, 247916, 309895, 619790, 805727, 1239580, 1549475, 1611454, 3098950, 3222908, 4028635, 6197900, 8057270, 16114540, 20143175, 40286350, 80572700]

約数ペア:

[(1, 80572700), (2, 40286350), (4, 20143175), (5, 16114540), (10, 8057270), (13, 6197900), (20, 4028635), (25, 3222908), (26, 3098950), (50, 1611454), (52, 1549475), (65, 1239580), (100, 805727), (130, 619790), (260, 309895), (325, 247916), (650, 123958), (1300, 61979)]