81410570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1481}}^1$

素因数の和:1750

約数の個数: 32

約数和(自身を含む): 153653760

約数和(自身を除く): 72243190

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 239, 478, 1195, 1481, 2390, 2962, 5497, 7405, 10994, 14810, 27485, 34063, 54970, 68126, 170315, 340630, 353959, 707918, 1769795, 3539590, 8141057, 16282114, 40705285, 81410570]

約数ペア:

[(1, 81410570), (2, 40705285), (5, 16282114), (10, 8141057), (23, 3539590), (46, 1769795), (115, 707918), (230, 353959), (239, 340630), (478, 170315), (1195, 68126), (1481, 54970), (2390, 34063), (2962, 27485), (5497, 14810), (7405, 10994)]