128800970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2549}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 240883200

約数和(自身を除く): 112082230

約数列:

[1, 2, 5, 10, 31, 62, 155, 163, 310, 326, 815, 1630, 2549, 5053, 5098, 10106, 12745, 25265, 25490, 50530, 79019, 158038, 395095, 415487, 790190, 830974, 2077435, 4154870, 12880097, 25760194, 64400485, 128800970]

約数ペア:

[(1, 128800970), (2, 64400485), (5, 25760194), (10, 12880097), (31, 4154870), (62, 2077435), (155, 830974), (163, 790190), (310, 415487), (326, 395095), (815, 158038), (1630, 79019), (2549, 50530), (5053, 25490), (5098, 25265), (10106, 12745)]