28149440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1$

素因数の和:766

約数の個数: 84

約数和(自身を含む): 73779888

約数和(自身を除く): 45630448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 727, 880, 968, 1210, 1454, 1760, 1936, 2420, 2908, 3520, 3635, 3872, 4840, 5816, 7270, 7744, 7997, 9680, 11632, 14540, 15994, 19360, 23264, 29080, 31988, 38720, 39985, 46528, 58160, 63976, 79970, 87967, 116320, 127952, 159940, 175934, 232640, 255904, 319880, 351868, 439835, 511808, 639760, 703736, 879670, 1279520, 1407472, 1759340, 2559040, 2814944, 3518680, 5629888, 7037360, 14074720, 28149440]

約数ペア:

[(1, 28149440), (2, 14074720), (4, 7037360), (5, 5629888), (8, 3518680), (10, 2814944), (11, 2559040), (16, 1759340), (20, 1407472), (22, 1279520), (32, 879670), (40, 703736), (44, 639760), (55, 511808), (64, 439835), (80, 351868), (88, 319880), (110, 255904), (121, 232640), (160, 175934), (176, 159940), (220, 127952), (242, 116320), (320, 87967), (352, 79970), (440, 63976), (484, 58160), (605, 46528), (704, 39985), (727, 38720), (880, 31988), (968, 29080), (1210, 23264), (1454, 19360), (1760, 15994), (1936, 14540), (2420, 11632), (2908, 9680), (3520, 7997), (3635, 7744), (3872, 7270), (4840, 5816)]