12579800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2029}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 30206400

約数和(自身を除く): 17626600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2029, 3100, 4058, 6200, 8116, 10145, 16232, 20290, 40580, 50725, 62899, 81160, 101450, 125798, 202900, 251596, 314495, 405800, 503192, 628990, 1257980, 1572475, 2515960, 3144950, 6289900, 12579800]

約数ペア:

[(1, 12579800), (2, 6289900), (4, 3144950), (5, 2515960), (8, 1572475), (10, 1257980), (20, 628990), (25, 503192), (31, 405800), (40, 314495), (50, 251596), (62, 202900), (100, 125798), (124, 101450), (155, 81160), (200, 62899), (248, 50725), (310, 40580), (620, 20290), (775, 16232), (1240, 10145), (1550, 8116), (2029, 6200), (3100, 4058)]