28380160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 88

約数和(自身を含む): 71333856

約数和(自身を除く): 42953696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 241, 256, 320, 368, 460, 482, 512, 640, 736, 920, 964, 1024, 1205, 1280, 1472, 1840, 1928, 2410, 2560, 2944, 3680, 3856, 4820, 5120, 5543, 5888, 7360, 7712, 9640, 11086, 11776, 14720, 15424, 19280, 22172, 23552, 27715, 29440, 30848, 38560, 44344, 55430, 58880, 61696, 77120, 88688, 110860, 117760, 123392, 154240, 177376, 221720, 246784, 308480, 354752, 443440, 616960, 709504, 886880, 1233920, 1419008, 1773760, 2838016, 3547520, 5676032, 7095040, 14190080, 28380160]

約数ペア:

[(1, 28380160), (2, 14190080), (4, 7095040), (5, 5676032), (8, 3547520), (10, 2838016), (16, 1773760), (20, 1419008), (23, 1233920), (32, 886880), (40, 709504), (46, 616960), (64, 443440), (80, 354752), (92, 308480), (115, 246784), (128, 221720), (160, 177376), (184, 154240), (230, 123392), (241, 117760), (256, 110860), (320, 88688), (368, 77120), (460, 61696), (482, 58880), (512, 55430), (640, 44344), (736, 38560), (920, 30848), (964, 29440), (1024, 27715), (1205, 23552), (1280, 22172), (1472, 19280), (1840, 15424), (1928, 14720), (2410, 11776), (2560, 11086), (2944, 9640), (3680, 7712), (3856, 7360), (4820, 5888), (5120, 5543)]