28517440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 80467200

約数和(自身を除く): 51949760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 439, 448, 464, 560, 580, 812, 878, 928, 1015, 1120, 1160, 1624, 1756, 1856, 2030, 2195, 2240, 2320, 3073, 3248, 3512, 4060, 4390, 4640, 6146, 6496, 7024, 8120, 8780, 9280, 12292, 12731, 12992, 14048, 15365, 16240, 17560, 24584, 25462, 28096, 30730, 32480, 35120, 49168, 50924, 61460, 63655, 64960, 70240, 89117, 98336, 101848, 122920, 127310, 140480, 178234, 196672, 203696, 245840, 254620, 356468, 407392, 445585, 491680, 509240, 712936, 814784, 891170, 983360, 1018480, 1425872, 1782340, 2036960, 2851744, 3564680, 4073920, 5703488, 7129360, 14258720, 28517440]

約数ペア:

[(1, 28517440), (2, 14258720), (4, 7129360), (5, 5703488), (7, 4073920), (8, 3564680), (10, 2851744), (14, 2036960), (16, 1782340), (20, 1425872), (28, 1018480), (29, 983360), (32, 891170), (35, 814784), (40, 712936), (56, 509240), (58, 491680), (64, 445585), (70, 407392), (80, 356468), (112, 254620), (116, 245840), (140, 203696), (145, 196672), (160, 178234), (203, 140480), (224, 127310), (232, 122920), (280, 101848), (290, 98336), (320, 89117), (406, 70240), (439, 64960), (448, 63655), (464, 61460), (560, 50924), (580, 49168), (812, 35120), (878, 32480), (928, 30730), (1015, 28096), (1120, 25462), (1160, 24584), (1624, 17560), (1756, 16240), (1856, 15365), (2030, 14048), (2195, 12992), (2240, 12731), (2320, 12292), (3073, 9280), (3248, 8780), (3512, 8120), (4060, 7024), (4390, 6496), (4640, 6146)]