4023920

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 9441360

約数和(自身を除く): 5417440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 281, 358, 562, 716, 895, 1124, 1405, 1432, 1790, 2248, 2810, 2864, 3580, 4496, 5620, 7160, 11240, 14320, 22480, 50299, 100598, 201196, 251495, 402392, 502990, 804784, 1005980, 2011960, 4023920]

約数ペア:

[(1, 4023920), (2, 2011960), (4, 1005980), (5, 804784), (8, 502990), (10, 402392), (16, 251495), (20, 201196), (40, 100598), (80, 50299), (179, 22480), (281, 14320), (358, 11240), (562, 7160), (716, 5620), (895, 4496), (1124, 3580), (1405, 2864), (1432, 2810), (1790, 2248)]