87264380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20107}}^1$

素因数の和:20154

約数の個数: 48

約数和(自身を含む): 216201216

約数和(自身を除く): 128936836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20107, 40214, 80428, 100535, 140749, 201070, 281498, 402140, 562996, 623317, 703745, 1246634, 1407490, 2493268, 2814980, 3116585, 4363219, 6233170, 8726438, 12466340, 17452876, 21816095, 43632190, 87264380]

約数ペア:

[(1, 87264380), (2, 43632190), (4, 21816095), (5, 17452876), (7, 12466340), (10, 8726438), (14, 6233170), (20, 4363219), (28, 3116585), (31, 2814980), (35, 2493268), (62, 1407490), (70, 1246634), (124, 703745), (140, 623317), (155, 562996), (217, 402140), (310, 281498), (434, 201070), (620, 140749), (868, 100535), (1085, 80428), (2170, 40214), (4340, 20107)]