81249590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 151865280

約数和(自身を除く): 70615690

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 503, 557, 1006, 1114, 2515, 2785, 5030, 5570, 14587, 16153, 29174, 32306, 72935, 80765, 145870, 161530, 280171, 560342, 1400855, 2801710, 8124959, 16249918, 40624795, 81249590]

約数ペア:

[(1, 81249590), (2, 40624795), (5, 16249918), (10, 8124959), (29, 2801710), (58, 1400855), (145, 560342), (290, 280171), (503, 161530), (557, 145870), (1006, 80765), (1114, 72935), (2515, 32306), (2785, 29174), (5030, 16153), (5570, 14587)]