128454880

素因数分解:

$2^5\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1297}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 304199280

約数和(自身を除く): 175744400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 619, 1238, 1297, 2476, 2594, 3095, 4952, 5188, 6190, 6485, 9904, 10376, 12380, 12970, 19808, 20752, 24760, 25940, 41504, 49520, 51880, 99040, 103760, 207520, 802843, 1605686, 3211372, 4014215, 6422744, 8028430, 12845488, 16056860, 25690976, 32113720, 64227440, 128454880]

約数ペア:

[(1, 128454880), (2, 64227440), (4, 32113720), (5, 25690976), (8, 16056860), (10, 12845488), (16, 8028430), (20, 6422744), (32, 4014215), (40, 3211372), (80, 1605686), (160, 802843), (619, 207520), (1238, 103760), (1297, 99040), (2476, 51880), (2594, 49520), (3095, 41504), (4952, 25940), (5188, 24760), (6190, 20752), (6485, 19808), (9904, 12970), (10376, 12380)]