8922875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 13409760

約数和(自身を除く): 4486885

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 221, 247, 289, 323, 325, 425, 475, 1105, 1235, 1445, 1615, 1625, 2125, 2375, 3757, 4199, 5491, 5525, 6175, 7225, 8075, 18785, 20995, 27455, 27625, 30875, 36125, 40375, 71383, 93925, 104975, 137275, 356915, 469625, 524875, 686375, 1784575, 8922875]

約数ペア:

[(1, 8922875), (5, 1784575), (13, 686375), (17, 524875), (19, 469625), (25, 356915), (65, 137275), (85, 104975), (95, 93925), (125, 71383), (221, 40375), (247, 36125), (289, 30875), (323, 27625), (325, 27455), (425, 20995), (475, 18785), (1105, 8075), (1235, 7225), (1445, 6175), (1615, 5525), (1625, 5491), (2125, 4199), (2375, 3757)]