2156285440

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49547}}^1$

素因数の和:49587

約数の個数: 80

約数和(自身を含む): 5474261232

約数和(自身を除く): 3317975792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 21760, 43520, 49547, 99094, 198188, 247735, 396376, 495470, 792752, 842299, 990940, 1585504, 1684598, 1981880, 3171008, 3369196, 3963760, 4211495, 6342016, 6738392, 7927520, 8422990, 12684032, 13476784, 15855040, 16845980, 25368064, 26953568, 31710080, 33691960, 53907136, 63420160, 67383920, 107814272, 126840320, 134767840, 215628544, 269535680, 431257088, 539071360, 1078142720, 2156285440]

約数ペア:

[(1, 2156285440), (2, 1078142720), (4, 539071360), (5, 431257088), (8, 269535680), (10, 215628544), (16, 134767840), (17, 126840320), (20, 107814272), (32, 67383920), (34, 63420160), (40, 53907136), (64, 33691960), (68, 31710080), (80, 26953568), (85, 25368064), (128, 16845980), (136, 15855040), (160, 13476784), (170, 12684032), (256, 8422990), (272, 7927520), (320, 6738392), (340, 6342016), (512, 4211495), (544, 3963760), (640, 3369196), (680, 3171008), (1088, 1981880), (1280, 1684598), (1360, 1585504), (2176, 990940), (2560, 842299), (2720, 792752), (4352, 495470), (5440, 396376), (8704, 247735), (10880, 198188), (21760, 99094), (43520, 49547)]