25838320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4633

約数の個数: 40

約数和(自身を含む): 60933600

約数和(自身を除く): 35095280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4549, 5680, 9098, 18196, 22745, 36392, 45490, 72784, 90980, 181960, 322979, 363920, 645958, 1291916, 1614895, 2583832, 3229790, 5167664, 6459580, 12919160, 25838320]

約数ペア:

[(1, 25838320), (2, 12919160), (4, 6459580), (5, 5167664), (8, 3229790), (10, 2583832), (16, 1614895), (20, 1291916), (40, 645958), (71, 363920), (80, 322979), (142, 181960), (284, 90980), (355, 72784), (568, 45490), (710, 36392), (1136, 22745), (1420, 18196), (2840, 9098), (4549, 5680)]