89038820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11047}}^1$

素因数の和:11100

約数の個数: 48

約数和(自身を含む): 207879168

約数和(自身を除く): 118840348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 11047, 22094, 44188, 55235, 110470, 143611, 220940, 287222, 342457, 574444, 684914, 718055, 1369828, 1436110, 1712285, 2872220, 3424570, 4451941, 6849140, 8903882, 17807764, 22259705, 44519410, 89038820]

約数ペア:

[(1, 89038820), (2, 44519410), (4, 22259705), (5, 17807764), (10, 8903882), (13, 6849140), (20, 4451941), (26, 3424570), (31, 2872220), (52, 1712285), (62, 1436110), (65, 1369828), (124, 718055), (130, 684914), (155, 574444), (260, 342457), (310, 287222), (403, 220940), (620, 143611), (806, 110470), (1612, 55235), (2015, 44188), (4030, 22094), (8060, 11047)]