25631000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 64190880

約数和(自身を除く): 38559880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 71, 76, 95, 100, 125, 142, 152, 190, 200, 250, 284, 355, 361, 380, 475, 500, 568, 710, 722, 760, 950, 1000, 1349, 1420, 1444, 1775, 1805, 1900, 2375, 2698, 2840, 2888, 3550, 3610, 3800, 4750, 5396, 6745, 7100, 7220, 8875, 9025, 9500, 10792, 13490, 14200, 14440, 17750, 18050, 19000, 25631, 26980, 33725, 35500, 36100, 45125, 51262, 53960, 67450, 71000, 72200, 90250, 102524, 128155, 134900, 168625, 180500, 205048, 256310, 269800, 337250, 361000, 512620, 640775, 674500, 1025240, 1281550, 1349000, 2563100, 3203875, 5126200, 6407750, 12815500, 25631000]

約数ペア:

[(1, 25631000), (2, 12815500), (4, 6407750), (5, 5126200), (8, 3203875), (10, 2563100), (19, 1349000), (20, 1281550), (25, 1025240), (38, 674500), (40, 640775), (50, 512620), (71, 361000), (76, 337250), (95, 269800), (100, 256310), (125, 205048), (142, 180500), (152, 168625), (190, 134900), (200, 128155), (250, 102524), (284, 90250), (355, 72200), (361, 71000), (380, 67450), (475, 53960), (500, 51262), (568, 45125), (710, 36100), (722, 35500), (760, 33725), (950, 26980), (1000, 25631), (1349, 19000), (1420, 18050), (1444, 17750), (1775, 14440), (1805, 14200), (1900, 13490), (2375, 10792), (2698, 9500), (2840, 9025), (2888, 8875), (3550, 7220), (3610, 7100), (3800, 6745), (4750, 5396)]