12913040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23059}}^1$

素因数の和:23079

約数の個数: 40

約数和(自身を含む): 34313280

約数和(自身を除く): 21400240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23059, 46118, 92236, 115295, 161413, 184472, 230590, 322826, 368944, 461180, 645652, 807065, 922360, 1291304, 1614130, 1844720, 2582608, 3228260, 6456520, 12913040]

約数ペア:

[(1, 12913040), (2, 6456520), (4, 3228260), (5, 2582608), (7, 1844720), (8, 1614130), (10, 1291304), (14, 922360), (16, 807065), (20, 645652), (28, 461180), (35, 368944), (40, 322826), (56, 230590), (70, 184472), (80, 161413), (112, 115295), (140, 92236), (280, 46118), (560, 23059)]