28112480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15973}}^1$

素因数の和:15999

約数の個数: 48

約数和(自身を含む): 72458064

約数和(自身を除く): 44345584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15973, 31946, 63892, 79865, 127784, 159730, 175703, 255568, 319460, 351406, 511136, 638920, 702812, 878515, 1277840, 1405624, 1757030, 2555680, 2811248, 3514060, 5622496, 7028120, 14056240, 28112480]

約数ペア:

[(1, 28112480), (2, 14056240), (4, 7028120), (5, 5622496), (8, 3514060), (10, 2811248), (11, 2555680), (16, 1757030), (20, 1405624), (22, 1277840), (32, 878515), (40, 702812), (44, 638920), (55, 511136), (80, 351406), (88, 319460), (110, 255568), (160, 175703), (176, 159730), (220, 127784), (352, 79865), (440, 63892), (880, 31946), (1760, 15973)]