83391280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{148913}}^1$

素因数の和:148933

約数の個数: 40

約数和(自身を含む): 221584032

約数和(自身を除く): 138192752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 148913, 297826, 595652, 744565, 1042391, 1191304, 1489130, 2084782, 2382608, 2978260, 4169564, 5211955, 5956520, 8339128, 10423910, 11913040, 16678256, 20847820, 41695640, 83391280]

約数ペア:

[(1, 83391280), (2, 41695640), (4, 20847820), (5, 16678256), (7, 11913040), (8, 10423910), (10, 8339128), (14, 5956520), (16, 5211955), (20, 4169564), (28, 2978260), (35, 2382608), (40, 2084782), (56, 1489130), (70, 1191304), (80, 1042391), (112, 744565), (140, 595652), (280, 297826), (560, 148913)]