13528750

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 40

約数和(自身を含む): 25866720

約数和(自身を除く): 12337970

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 137, 158, 250, 274, 395, 625, 685, 790, 1250, 1370, 1975, 3425, 3950, 6850, 9875, 10823, 17125, 19750, 21646, 34250, 49375, 54115, 85625, 98750, 108230, 171250, 270575, 541150, 1352875, 2705750, 6764375, 13528750]

約数ペア:

[(1, 13528750), (2, 6764375), (5, 2705750), (10, 1352875), (25, 541150), (50, 270575), (79, 171250), (125, 108230), (137, 98750), (158, 85625), (250, 54115), (274, 49375), (395, 34250), (625, 21646), (685, 19750), (790, 17125), (1250, 10823), (1370, 9875), (1975, 6850), (3425, 3950)]