4478240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 11398968

約数和(自身を除く): 6920728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 2153, 4306, 8612, 10765, 17224, 21530, 27989, 34448, 43060, 55978, 68896, 86120, 111956, 139945, 172240, 223912, 279890, 344480, 447824, 559780, 895648, 1119560, 2239120, 4478240]

約数ペア:

[(1, 4478240), (2, 2239120), (4, 1119560), (5, 895648), (8, 559780), (10, 447824), (13, 344480), (16, 279890), (20, 223912), (26, 172240), (32, 139945), (40, 111956), (52, 86120), (65, 68896), (80, 55978), (104, 43060), (130, 34448), (160, 27989), (208, 21530), (260, 17224), (416, 10765), (520, 8612), (1040, 4306), (2080, 2153)]