25319640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 76347360

約数和(自身を除く): 51027720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 821, 1028, 1285, 1542, 1642, 2056, 2463, 2570, 3084, 3284, 3855, 4105, 4926, 5140, 6168, 6568, 7710, 8210, 9852, 10280, 12315, 15420, 16420, 19704, 24630, 30840, 32840, 49260, 98520, 210997, 421994, 632991, 843988, 1054985, 1265982, 1687976, 2109970, 2531964, 3164955, 4219940, 5063928, 6329910, 8439880, 12659820, 25319640]

約数ペア:

[(1, 25319640), (2, 12659820), (3, 8439880), (4, 6329910), (5, 5063928), (6, 4219940), (8, 3164955), (10, 2531964), (12, 2109970), (15, 1687976), (20, 1265982), (24, 1054985), (30, 843988), (40, 632991), (60, 421994), (120, 210997), (257, 98520), (514, 49260), (771, 32840), (821, 30840), (1028, 24630), (1285, 19704), (1542, 16420), (1642, 15420), (2056, 12315), (2463, 10280), (2570, 9852), (3084, 8210), (3284, 7710), (3855, 6568), (4105, 6168), (4926, 5140)]