64043900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{10499}}^1$

素因数の和:10574

約数の個数: 36

約数和(自身を含む): 141267000

約数和(自身を除く): 77223100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 10499, 20998, 41996, 52495, 104990, 209980, 262475, 524950, 640439, 1049900, 1280878, 2561756, 3202195, 6404390, 12808780, 16010975, 32021950, 64043900]

約数ペア:

[(1, 64043900), (2, 32021950), (4, 16010975), (5, 12808780), (10, 6404390), (20, 3202195), (25, 2561756), (50, 1280878), (61, 1049900), (100, 640439), (122, 524950), (244, 262475), (305, 209980), (610, 104990), (1220, 52495), (1525, 41996), (3050, 20998), (6100, 10499)]