80435056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20353}}^1$

素因数の和:20393

約数の個数: 40

約数和(自身を含む): 176672720

約数和(自身を除く): 96237664

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 20353, 40706, 81412, 162824, 264589, 325648, 386707, 529178, 773414, 1058356, 1546828, 2116712, 3093656, 4233424, 5027191, 6187312, 10054382, 20108764, 40217528, 80435056]

約数ペア:

[(1, 80435056), (2, 40217528), (4, 20108764), (8, 10054382), (13, 6187312), (16, 5027191), (19, 4233424), (26, 3093656), (38, 2116712), (52, 1546828), (76, 1058356), (104, 773414), (152, 529178), (208, 386707), (247, 325648), (304, 264589), (494, 162824), (988, 81412), (1976, 40706), (3952, 20353)]