5578278985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 6952417920

約数和(自身を除く): 1374138935

約数列:

[1, 5, 41, 101, 205, 419, 505, 643, 2095, 3215, 4141, 17179, 20705, 26363, 42319, 64943, 85895, 131815, 211595, 269417, 324715, 1347085, 1735079, 2662663, 8675395, 11046097, 13313315, 27211117, 55230485, 136055585, 1115655797, 5578278985]

約数ペア:

[(1, 5578278985), (5, 1115655797), (41, 136055585), (101, 55230485), (205, 27211117), (419, 13313315), (505, 11046097), (643, 8675395), (2095, 2662663), (3215, 1735079), (4141, 1347085), (17179, 324715), (20705, 269417), (26363, 211595), (42319, 131815), (64943, 85895)]