7858240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1919

約数の個数: 56

約数和(自身を含む): 20162520

約数和(自身を除く): 12304280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1889, 2080, 3778, 4160, 7556, 9445, 15112, 18890, 24557, 30224, 37780, 49114, 60448, 75560, 98228, 120896, 122785, 151120, 196456, 245570, 302240, 392912, 491140, 604480, 785824, 982280, 1571648, 1964560, 3929120, 7858240]

約数ペア:

[(1, 7858240), (2, 3929120), (4, 1964560), (5, 1571648), (8, 982280), (10, 785824), (13, 604480), (16, 491140), (20, 392912), (26, 302240), (32, 245570), (40, 196456), (52, 151120), (64, 122785), (65, 120896), (80, 98228), (104, 75560), (130, 60448), (160, 49114), (208, 37780), (260, 30224), (320, 24557), (416, 18890), (520, 15112), (832, 9445), (1040, 7556), (1889, 4160), (2080, 3778)]