64227440

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1297}}^1$

素因数の和:1929

約数の個数: 40

約数和(自身を含む): 149685360

約数和(自身を除く): 85457920

約数列:

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

約数ペア:

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