4183840

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 10039680

約数和(自身を除く): 5855840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 331, 395, 632, 662, 790, 1264, 1324, 1580, 1655, 2528, 2648, 3160, 3310, 5296, 6320, 6620, 10592, 12640, 13240, 26149, 26480, 52298, 52960, 104596, 130745, 209192, 261490, 418384, 522980, 836768, 1045960, 2091920, 4183840]

約数ペア:

[(1, 4183840), (2, 2091920), (4, 1045960), (5, 836768), (8, 522980), (10, 418384), (16, 261490), (20, 209192), (32, 130745), (40, 104596), (79, 52960), (80, 52298), (158, 26480), (160, 26149), (316, 13240), (331, 12640), (395, 10592), (632, 6620), (662, 6320), (790, 5296), (1264, 3310), (1324, 3160), (1580, 2648), (1655, 2528)]