39988130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43943}}^1$

素因数の和:43970

約数の個数: 32

約数和(自身を含む): 88591104

約数和(自身を除く): 48602974

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 43943, 87886, 219715, 307601, 439430, 571259, 615202, 1142518, 1538005, 2856295, 3076010, 3998813, 5712590, 7997626, 19994065, 39988130]

約数ペア:

[(1, 39988130), (2, 19994065), (5, 7997626), (7, 5712590), (10, 3998813), (13, 3076010), (14, 2856295), (26, 1538005), (35, 1142518), (65, 615202), (70, 571259), (91, 439430), (130, 307601), (182, 219715), (455, 87886), (910, 43943)]