12929800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4973}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 32380740

約数和(自身を除く): 19450940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 4973, 9946, 19892, 24865, 39784, 49730, 64649, 99460, 124325, 129298, 198920, 248650, 258596, 323245, 497300, 517192, 646490, 994600, 1292980, 1616225, 2585960, 3232450, 6464900, 12929800]

約数ペア:

[(1, 12929800), (2, 6464900), (4, 3232450), (5, 2585960), (8, 1616225), (10, 1292980), (13, 994600), (20, 646490), (25, 517192), (26, 497300), (40, 323245), (50, 258596), (52, 248650), (65, 198920), (100, 129298), (104, 124325), (130, 99460), (200, 64649), (260, 49730), (325, 39784), (520, 24865), (650, 19892), (1300, 9946), (2600, 4973)]