25064580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{997}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 70418880

約数和(自身を除く): 45354300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 838, 997, 1257, 1676, 1994, 2095, 2514, 2991, 3988, 4190, 4985, 5028, 5982, 6285, 8380, 9970, 11964, 12570, 14955, 19940, 25140, 29910, 59820, 417743, 835486, 1253229, 1670972, 2088715, 2506458, 4177430, 5012916, 6266145, 8354860, 12532290, 25064580]

約数ペア:

[(1, 25064580), (2, 12532290), (3, 8354860), (4, 6266145), (5, 5012916), (6, 4177430), (10, 2506458), (12, 2088715), (15, 1670972), (20, 1253229), (30, 835486), (60, 417743), (419, 59820), (838, 29910), (997, 25140), (1257, 19940), (1676, 14955), (1994, 12570), (2095, 11964), (2514, 9970), (2991, 8380), (3988, 6285), (4190, 5982), (4985, 5028)]