12541250

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 40

約数和(自身を含む): 23992320

約数和(自身を除く): 11451070

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 127, 158, 250, 254, 395, 625, 635, 790, 1250, 1270, 1975, 3175, 3950, 6350, 9875, 10033, 15875, 19750, 20066, 31750, 49375, 50165, 79375, 98750, 100330, 158750, 250825, 501650, 1254125, 2508250, 6270625, 12541250]

約数ペア:

[(1, 12541250), (2, 6270625), (5, 2508250), (10, 1254125), (25, 501650), (50, 250825), (79, 158750), (125, 100330), (127, 98750), (158, 79375), (250, 50165), (254, 49375), (395, 31750), (625, 20066), (635, 19750), (790, 15875), (1250, 10033), (1270, 9875), (1975, 6350), (3175, 3950)]