12472850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 25831680

約数和(自身を除く): 13358830

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 619, 650, 775, 806, 1238, 1550, 2015, 3095, 4030, 6190, 8047, 10075, 15475, 16094, 19189, 20150, 30950, 38378, 40235, 80470, 95945, 191890, 201175, 249457, 402350, 479725, 498914, 959450, 1247285, 2494570, 6236425, 12472850]

約数ペア:

[(1, 12472850), (2, 6236425), (5, 2494570), (10, 1247285), (13, 959450), (25, 498914), (26, 479725), (31, 402350), (50, 249457), (62, 201175), (65, 191890), (130, 95945), (155, 80470), (310, 40235), (325, 38378), (403, 30950), (619, 20150), (650, 19189), (775, 16094), (806, 15475), (1238, 10075), (1550, 8047), (2015, 6190), (3095, 4030)]