49863125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:88

約数の個数: 60

約数和(自身を含む): 74985372

約数和(自身を除く): 25122247

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 221, 247, 323, 325, 361, 425, 475, 625, 1105, 1235, 1615, 1625, 1805, 2125, 2375, 4199, 4693, 5525, 6137, 6175, 8075, 8125, 9025, 10625, 11875, 20995, 23465, 27625, 30685, 30875, 40375, 45125, 79781, 104975, 117325, 138125, 153425, 154375, 201875, 225625, 398905, 524875, 586625, 767125, 1994525, 2624375, 2933125, 3835625, 9972625, 49863125]

約数ペア:

[(1, 49863125), (5, 9972625), (13, 3835625), (17, 2933125), (19, 2624375), (25, 1994525), (65, 767125), (85, 586625), (95, 524875), (125, 398905), (221, 225625), (247, 201875), (323, 154375), (325, 153425), (361, 138125), (425, 117325), (475, 104975), (625, 79781), (1105, 45125), (1235, 40375), (1615, 30875), (1625, 30685), (1805, 27625), (2125, 23465), (2375, 20995), (4199, 11875), (4693, 10625), (5525, 9025), (6137, 8125), (6175, 8075)]