25439840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 65028096

約数和(自身を除く): 39588256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 115, 124, 155, 160, 184, 223, 230, 248, 310, 368, 446, 460, 496, 620, 713, 736, 892, 920, 992, 1115, 1240, 1426, 1784, 1840, 2230, 2480, 2852, 3565, 3568, 3680, 4460, 4960, 5129, 5704, 6913, 7130, 7136, 8920, 10258, 11408, 13826, 14260, 17840, 20516, 22816, 25645, 27652, 28520, 34565, 35680, 41032, 51290, 55304, 57040, 69130, 82064, 102580, 110608, 114080, 138260, 158999, 164128, 205160, 221216, 276520, 317998, 410320, 553040, 635996, 794995, 820640, 1106080, 1271992, 1589990, 2543984, 3179980, 5087968, 6359960, 12719920, 25439840]

約数ペア:

[(1, 25439840), (2, 12719920), (4, 6359960), (5, 5087968), (8, 3179980), (10, 2543984), (16, 1589990), (20, 1271992), (23, 1106080), (31, 820640), (32, 794995), (40, 635996), (46, 553040), (62, 410320), (80, 317998), (92, 276520), (115, 221216), (124, 205160), (155, 164128), (160, 158999), (184, 138260), (223, 114080), (230, 110608), (248, 102580), (310, 82064), (368, 69130), (446, 57040), (460, 55304), (496, 51290), (620, 41032), (713, 35680), (736, 34565), (892, 28520), (920, 27652), (992, 25645), (1115, 22816), (1240, 20516), (1426, 17840), (1784, 14260), (1840, 13826), (2230, 11408), (2480, 10258), (2852, 8920), (3565, 7136), (3568, 7130), (3680, 6913), (4460, 5704), (4960, 5129)]