28507160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 71089920

約数和(自身を除く): 42582760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 967, 1340, 1474, 1934, 2680, 2948, 3685, 3868, 4835, 5896, 7370, 7736, 9670, 10637, 14740, 19340, 21274, 29480, 38680, 42548, 53185, 64789, 85096, 106370, 129578, 212740, 259156, 323945, 425480, 518312, 647890, 712679, 1295780, 1425358, 2591560, 2850716, 3563395, 5701432, 7126790, 14253580, 28507160]

約数ペア:

[(1, 28507160), (2, 14253580), (4, 7126790), (5, 5701432), (8, 3563395), (10, 2850716), (11, 2591560), (20, 1425358), (22, 1295780), (40, 712679), (44, 647890), (55, 518312), (67, 425480), (88, 323945), (110, 259156), (134, 212740), (220, 129578), (268, 106370), (335, 85096), (440, 64789), (536, 53185), (670, 42548), (737, 38680), (967, 29480), (1340, 21274), (1474, 19340), (1934, 14740), (2680, 10637), (2948, 9670), (3685, 7736), (3868, 7370), (4835, 5896)]