164322925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 245073600

約数和(自身を除く): 80750675

約数列:

[1, 5, 13, 19, 23, 25, 65, 89, 95, 115, 169, 247, 299, 325, 437, 445, 475, 575, 845, 1157, 1235, 1495, 1691, 2047, 2185, 2225, 3211, 3887, 4225, 5681, 5785, 6175, 7475, 8455, 10235, 10925, 15041, 16055, 19435, 21983, 26611, 28405, 28925, 38893, 42275, 51175, 73853, 75205, 80275, 97175, 109915, 133055, 142025, 194465, 285779, 345943, 369265, 376025, 505609, 549575, 665275, 972325, 1428895, 1729715, 1846325, 2528045, 6572917, 7144475, 8648575, 12640225, 32864585, 164322925]

約数ペア:

[(1, 164322925), (5, 32864585), (13, 12640225), (19, 8648575), (23, 7144475), (25, 6572917), (65, 2528045), (89, 1846325), (95, 1729715), (115, 1428895), (169, 972325), (247, 665275), (299, 549575), (325, 505609), (437, 376025), (445, 369265), (475, 345943), (575, 285779), (845, 194465), (1157, 142025), (1235, 133055), (1495, 109915), (1691, 97175), (2047, 80275), (2185, 75205), (2225, 73853), (3211, 51175), (3887, 42275), (4225, 38893), (5681, 28925), (5785, 28405), (6175, 26611), (7475, 21983), (8455, 19435), (10235, 16055), (10925, 15041)]