12908500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2347}}^1$

素因数の和:2377

約数の個数: 48

約数和(自身を含む): 30768192

約数和(自身を除く): 17859692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2347, 2750, 4694, 5500, 9388, 11735, 23470, 25817, 46940, 51634, 58675, 103268, 117350, 129085, 234700, 258170, 293375, 516340, 586750, 645425, 1173500, 1290850, 2581700, 3227125, 6454250, 12908500]

約数ペア:

[(1, 12908500), (2, 6454250), (4, 3227125), (5, 2581700), (10, 1290850), (11, 1173500), (20, 645425), (22, 586750), (25, 516340), (44, 293375), (50, 258170), (55, 234700), (100, 129085), (110, 117350), (125, 103268), (220, 58675), (250, 51634), (275, 46940), (500, 25817), (550, 23470), (1100, 11735), (1375, 9388), (2347, 5500), (2750, 4694)]