19838750

素因数分解:

$2^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:350

約数の個数: 40

約数和(自身を含む): 37956600

約数和(自身を除く): 18117850

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 125, 250, 269, 295, 538, 590, 625, 1250, 1345, 1475, 2690, 2950, 6725, 7375, 13450, 14750, 15871, 31742, 33625, 36875, 67250, 73750, 79355, 158710, 168125, 336250, 396775, 793550, 1983875, 3967750, 9919375, 19838750]

約数ペア:

[(1, 19838750), (2, 9919375), (5, 3967750), (10, 1983875), (25, 793550), (50, 396775), (59, 336250), (118, 168125), (125, 158710), (250, 79355), (269, 73750), (295, 67250), (538, 36875), (590, 33625), (625, 31742), (1250, 15871), (1345, 14750), (1475, 13450), (2690, 7375), (2950, 6725)]