12649760

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 30123576

約数和(自身を除く): 17473816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 457, 692, 865, 914, 1384, 1730, 1828, 2285, 2768, 3460, 3656, 4570, 5536, 6920, 7312, 9140, 13840, 14624, 18280, 27680, 36560, 73120, 79061, 158122, 316244, 395305, 632488, 790610, 1264976, 1581220, 2529952, 3162440, 6324880, 12649760]

約数ペア:

[(1, 12649760), (2, 6324880), (4, 3162440), (5, 2529952), (8, 1581220), (10, 1264976), (16, 790610), (20, 632488), (32, 395305), (40, 316244), (80, 158122), (160, 79061), (173, 73120), (346, 36560), (457, 27680), (692, 18280), (865, 14624), (914, 13840), (1384, 9140), (1730, 7312), (1828, 6920), (2285, 5536), (2768, 4570), (3460, 3656)]