20802364375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{111317}}^1$

素因数の和:111373

約数の個数: 40

約数和(自身を含む): 29211624288

約数和(自身を除く): 8409259913

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 625, 1495, 1625, 2875, 7475, 8125, 14375, 37375, 111317, 186875, 556585, 1447121, 2560291, 2782925, 7235605, 12801455, 13914625, 33283783, 36178025, 64007275, 69573125, 166418915, 180890125, 320036375, 832094575, 904450625, 1600181875, 4160472875, 20802364375]

約数ペア:

[(1, 20802364375), (5, 4160472875), (13, 1600181875), (23, 904450625), (25, 832094575), (65, 320036375), (115, 180890125), (125, 166418915), (299, 69573125), (325, 64007275), (575, 36178025), (625, 33283783), (1495, 13914625), (1625, 12801455), (2875, 7235605), (7475, 2782925), (8125, 2560291), (14375, 1447121), (37375, 556585), (111317, 186875)]