80641652

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31649}}^1$

素因数の和:31680

約数の個数: 36

約数和(自身を含む): 176796900

約数和(自身を除く): 96155248

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 31649, 63298, 126596, 221543, 411437, 443086, 822874, 886172, 1550801, 1645748, 2880059, 3101602, 5760118, 6203204, 11520236, 20160413, 40320826, 80641652]

約数ペア:

[(1, 80641652), (2, 40320826), (4, 20160413), (7, 11520236), (13, 6203204), (14, 5760118), (26, 3101602), (28, 2880059), (49, 1645748), (52, 1550801), (91, 886172), (98, 822874), (182, 443086), (196, 411437), (364, 221543), (637, 126596), (1274, 63298), (2548, 31649)]