80756590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 151061760

約数和(自身を除く): 70305170

約数列:

[1, 2, 5, 10, 29, 58, 145, 281, 290, 562, 991, 1405, 1982, 2810, 4955, 8149, 9910, 16298, 28739, 40745, 57478, 81490, 143695, 278471, 287390, 556942, 1392355, 2784710, 8075659, 16151318, 40378295, 80756590]

約数ペア:

[(1, 80756590), (2, 40378295), (5, 16151318), (10, 8075659), (29, 2784710), (58, 1392355), (145, 556942), (281, 287390), (290, 278471), (562, 143695), (991, 81490), (1405, 57478), (1982, 40745), (2810, 28739), (4955, 16298), (8149, 9910)]