26880400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 70575840

約数和(自身を除く): 43695440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 59, 67, 68, 80, 85, 100, 118, 134, 136, 170, 200, 236, 268, 272, 295, 335, 340, 400, 425, 472, 536, 590, 670, 680, 850, 944, 1003, 1072, 1139, 1180, 1340, 1360, 1475, 1675, 1700, 2006, 2278, 2360, 2680, 2950, 3350, 3400, 3953, 4012, 4556, 4720, 5015, 5360, 5695, 5900, 6700, 6800, 7906, 8024, 9112, 10030, 11390, 11800, 13400, 15812, 16048, 18224, 19765, 20060, 22780, 23600, 25075, 26800, 28475, 31624, 39530, 40120, 45560, 50150, 56950, 63248, 67201, 79060, 80240, 91120, 98825, 100300, 113900, 134402, 158120, 197650, 200600, 227800, 268804, 316240, 336005, 395300, 401200, 455600, 537608, 672010, 790600, 1075216, 1344020, 1581200, 1680025, 2688040, 3360050, 5376080, 6720100, 13440200, 26880400]

約数ペア:

[(1, 26880400), (2, 13440200), (4, 6720100), (5, 5376080), (8, 3360050), (10, 2688040), (16, 1680025), (17, 1581200), (20, 1344020), (25, 1075216), (34, 790600), (40, 672010), (50, 537608), (59, 455600), (67, 401200), (68, 395300), (80, 336005), (85, 316240), (100, 268804), (118, 227800), (134, 200600), (136, 197650), (170, 158120), (200, 134402), (236, 113900), (268, 100300), (272, 98825), (295, 91120), (335, 80240), (340, 79060), (400, 67201), (425, 63248), (472, 56950), (536, 50150), (590, 45560), (670, 40120), (680, 39530), (850, 31624), (944, 28475), (1003, 26800), (1072, 25075), (1139, 23600), (1180, 22780), (1340, 20060), (1360, 19765), (1475, 18224), (1675, 16048), (1700, 15812), (2006, 13400), (2278, 11800), (2360, 11390), (2680, 10030), (2950, 9112), (3350, 8024), (3400, 7906), (3953, 6800), (4012, 6700), (4556, 5900), (4720, 5695), (5015, 5360)]