177860020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22067}}^1$

素因数の和:22120

約数の個数: 48

約数和(自身を含む): 415231488

約数和(自身を除く): 237371468

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, 22067, 44134, 88268, 110335, 220670, 286871, 441340, 573742, 684077, 1147484, 1368154, 1434355, 2736308, 2868710, 3420385, 5737420, 6840770, 8893001, 13681540, 17786002, 35572004, 44465005, 88930010, 177860020]

約数ペア:

[(1, 177860020), (2, 88930010), (4, 44465005), (5, 35572004), (10, 17786002), (13, 13681540), (20, 8893001), (26, 6840770), (31, 5737420), (52, 3420385), (62, 2868710), (65, 2736308), (124, 1434355), (130, 1368154), (155, 1147484), (260, 684077), (310, 573742), (403, 441340), (620, 286871), (806, 220670), (1612, 110335), (2015, 88268), (4030, 44134), (8060, 22067)]