28239040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 112

約数和(自身を含む): 74066400

約数和(自身を除く): 45827360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 145, 160, 170, 179, 232, 272, 290, 320, 340, 358, 464, 493, 544, 580, 680, 716, 895, 928, 986, 1088, 1160, 1360, 1432, 1790, 1856, 1972, 2320, 2465, 2720, 2864, 3043, 3580, 3944, 4640, 4930, 5191, 5440, 5728, 6086, 7160, 7888, 9280, 9860, 10382, 11456, 12172, 14320, 15215, 15776, 19720, 20764, 24344, 25955, 28640, 30430, 31552, 39440, 41528, 48688, 51910, 57280, 60860, 78880, 83056, 88247, 97376, 103820, 121720, 157760, 166112, 176494, 194752, 207640, 243440, 332224, 352988, 415280, 441235, 486880, 705976, 830560, 882470, 973760, 1411952, 1661120, 1764940, 2823904, 3529880, 5647808, 7059760, 14119520, 28239040]

約数ペア:

[(1, 28239040), (2, 14119520), (4, 7059760), (5, 5647808), (8, 3529880), (10, 2823904), (16, 1764940), (17, 1661120), (20, 1411952), (29, 973760), (32, 882470), (34, 830560), (40, 705976), (58, 486880), (64, 441235), (68, 415280), (80, 352988), (85, 332224), (116, 243440), (136, 207640), (145, 194752), (160, 176494), (170, 166112), (179, 157760), (232, 121720), (272, 103820), (290, 97376), (320, 88247), (340, 83056), (358, 78880), (464, 60860), (493, 57280), (544, 51910), (580, 48688), (680, 41528), (716, 39440), (895, 31552), (928, 30430), (986, 28640), (1088, 25955), (1160, 24344), (1360, 20764), (1432, 19720), (1790, 15776), (1856, 15215), (1972, 14320), (2320, 12172), (2465, 11456), (2720, 10382), (2864, 9860), (3043, 9280), (3580, 7888), (3944, 7160), (4640, 6086), (4930, 5728), (5191, 5440)]