78231880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29191}}^1$

素因数の和:29269

約数の個数: 32

約数和(自身を含む): 178655040

約数和(自身を除く): 100423160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29191, 58382, 116764, 145955, 233528, 291910, 583820, 1167640, 1955797, 3911594, 7823188, 9778985, 15646376, 19557970, 39115940, 78231880]

約数ペア:

[(1, 78231880), (2, 39115940), (4, 19557970), (5, 15646376), (8, 9778985), (10, 7823188), (20, 3911594), (40, 1955797), (67, 1167640), (134, 583820), (268, 291910), (335, 233528), (536, 145955), (670, 116764), (1340, 58382), (2680, 29191)]