80976340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 177053184

約数和(自身を除く): 96076844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 997, 1310, 1994, 2620, 3988, 4061, 4985, 8122, 9970, 16244, 19940, 20305, 30907, 40610, 61814, 81220, 123628, 130607, 154535, 261214, 309070, 522428, 618140, 653035, 1306070, 2612140, 4048817, 8097634, 16195268, 20244085, 40488170, 80976340]

約数ペア:

[(1, 80976340), (2, 40488170), (4, 20244085), (5, 16195268), (10, 8097634), (20, 4048817), (31, 2612140), (62, 1306070), (124, 653035), (131, 618140), (155, 522428), (262, 309070), (310, 261214), (524, 154535), (620, 130607), (655, 123628), (997, 81220), (1310, 61814), (1994, 40610), (2620, 30907), (3988, 20305), (4061, 19940), (4985, 16244), (8122, 9970)]