880551440

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{31181}}^1$

素因数の和:31547

約数の個数: 40

約数和(自身を含む): 2053147608

約数和(自身を除く): 1172596168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 14120, 28240, 31181, 62362, 124724, 155905, 249448, 311810, 498896, 623620, 1247240, 2494480, 11006893, 22013786, 44027572, 55034465, 88055144, 110068930, 176110288, 220137860, 440275720, 880551440]

約数ペア:

[(1, 880551440), (2, 440275720), (4, 220137860), (5, 176110288), (8, 110068930), (10, 88055144), (16, 55034465), (20, 44027572), (40, 22013786), (80, 11006893), (353, 2494480), (706, 1247240), (1412, 623620), (1765, 498896), (2824, 311810), (3530, 249448), (5648, 155905), (7060, 124724), (14120, 62362), (28240, 31181)]