79451600

素因数分解:

$2^4\times 5^2\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:972

約数の個数: 60

約数和(自身を含む): 191800224

約数和(自身を除く): 112348624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 307, 400, 614, 647, 1228, 1294, 1535, 2456, 2588, 3070, 3235, 4912, 5176, 6140, 6470, 7675, 10352, 12280, 12940, 15350, 16175, 24560, 25880, 30700, 32350, 51760, 61400, 64700, 122800, 129400, 198629, 258800, 397258, 794516, 993145, 1589032, 1986290, 3178064, 3972580, 4965725, 7945160, 9931450, 15890320, 19862900, 39725800, 79451600]

約数ペア:

[(1, 79451600), (2, 39725800), (4, 19862900), (5, 15890320), (8, 9931450), (10, 7945160), (16, 4965725), (20, 3972580), (25, 3178064), (40, 1986290), (50, 1589032), (80, 993145), (100, 794516), (200, 397258), (307, 258800), (400, 198629), (614, 129400), (647, 122800), (1228, 64700), (1294, 61400), (1535, 51760), (2456, 32350), (2588, 30700), (3070, 25880), (3235, 24560), (4912, 16175), (5176, 15350), (6140, 12940), (6470, 12280), (7675, 10352)]