80358880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 218828736

約数和(自身を除く): 138469856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 314, 457, 560, 628, 785, 914, 1099, 1120, 1256, 1570, 1828, 2198, 2285, 2512, 3140, 3199, 3656, 4396, 4570, 5024, 5495, 6280, 6398, 7312, 8792, 9140, 10990, 12560, 12796, 14624, 15995, 17584, 18280, 21980, 25120, 25592, 31990, 35168, 36560, 43960, 51184, 63980, 71749, 73120, 87920, 102368, 127960, 143498, 175840, 255920, 286996, 358745, 502243, 511840, 573992, 717490, 1004486, 1147984, 1434980, 2008972, 2295968, 2511215, 2869960, 4017944, 5022430, 5739920, 8035888, 10044860, 11479840, 16071776, 20089720, 40179440, 80358880]

約数ペア:

[(1, 80358880), (2, 40179440), (4, 20089720), (5, 16071776), (7, 11479840), (8, 10044860), (10, 8035888), (14, 5739920), (16, 5022430), (20, 4017944), (28, 2869960), (32, 2511215), (35, 2295968), (40, 2008972), (56, 1434980), (70, 1147984), (80, 1004486), (112, 717490), (140, 573992), (157, 511840), (160, 502243), (224, 358745), (280, 286996), (314, 255920), (457, 175840), (560, 143498), (628, 127960), (785, 102368), (914, 87920), (1099, 73120), (1120, 71749), (1256, 63980), (1570, 51184), (1828, 43960), (2198, 36560), (2285, 35168), (2512, 31990), (3140, 25592), (3199, 25120), (3656, 21980), (4396, 18280), (4570, 17584), (5024, 15995), (5495, 14624), (6280, 12796), (6398, 12560), (7312, 10990), (8792, 9140)]