1565778820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{5261}}^1$

素因数の和:5940

約数の個数: 48

約数和(自身を含む): 3437054208

約数和(自身を除く): 1871275388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 647, 1294, 2588, 3235, 5261, 6470, 10522, 12940, 14881, 21044, 26305, 29762, 52610, 59524, 74405, 105220, 121003, 148810, 242006, 297620, 484012, 605015, 1210030, 2420060, 3403867, 6807734, 13615468, 17019335, 34038670, 68077340, 78288941, 156577882, 313155764, 391444705, 782889410, 1565778820]

約数ペア:

[(1, 1565778820), (2, 782889410), (4, 391444705), (5, 313155764), (10, 156577882), (20, 78288941), (23, 68077340), (46, 34038670), (92, 17019335), (115, 13615468), (230, 6807734), (460, 3403867), (647, 2420060), (1294, 1210030), (2588, 605015), (3235, 484012), (5261, 297620), (6470, 242006), (10522, 148810), (12940, 121003), (14881, 105220), (21044, 74405), (26305, 59524), (29762, 52610)]