80340988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31531}}^1$

素因数の和:31562

約数の個数: 36

約数和(自身を含む): 176137752

約数和(自身を除く): 95796764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 31531, 63062, 126124, 220717, 409903, 441434, 819806, 882868, 1545019, 1639612, 2869321, 3090038, 5738642, 6180076, 11477284, 20085247, 40170494, 80340988]

約数ペア:

[(1, 80340988), (2, 40170494), (4, 20085247), (7, 11477284), (13, 6180076), (14, 5738642), (26, 3090038), (28, 2869321), (49, 1639612), (52, 1545019), (91, 882868), (98, 819806), (182, 441434), (196, 409903), (364, 220717), (637, 126124), (1274, 63062), (2548, 31531)]