56284840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2450

約数の個数: 64

約数和(自身を含む): 137664000

約数和(自身を除く): 81379160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2389, 2945, 4712, 4778, 5890, 9556, 11780, 11945, 19112, 23560, 23890, 45391, 47780, 74059, 90782, 95560, 148118, 181564, 226955, 296236, 363128, 370295, 453910, 592472, 740590, 907820, 1407121, 1481180, 1815640, 2814242, 2962360, 5628484, 7035605, 11256968, 14071210, 28142420, 56284840]

約数ペア:

[(1, 56284840), (2, 28142420), (4, 14071210), (5, 11256968), (8, 7035605), (10, 5628484), (19, 2962360), (20, 2814242), (31, 1815640), (38, 1481180), (40, 1407121), (62, 907820), (76, 740590), (95, 592472), (124, 453910), (152, 370295), (155, 363128), (190, 296236), (248, 226955), (310, 181564), (380, 148118), (589, 95560), (620, 90782), (760, 74059), (1178, 47780), (1240, 45391), (2356, 23890), (2389, 23560), (2945, 19112), (4712, 11945), (4778, 11780), (5890, 9556)]