2944880

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 6923664

約数和(自身を除く): 3978784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 281, 524, 562, 655, 1048, 1124, 1310, 1405, 2096, 2248, 2620, 2810, 4496, 5240, 5620, 10480, 11240, 22480, 36811, 73622, 147244, 184055, 294488, 368110, 588976, 736220, 1472440, 2944880]

約数ペア:

[(1, 2944880), (2, 1472440), (4, 736220), (5, 588976), (8, 368110), (10, 294488), (16, 184055), (20, 147244), (40, 73622), (80, 36811), (131, 22480), (262, 11240), (281, 10480), (524, 5620), (562, 5240), (655, 4496), (1048, 2810), (1124, 2620), (1310, 2248), (1405, 2096)]