88770520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 204482880

約数和(自身を除く): 115712360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 167, 194, 274, 334, 388, 485, 548, 668, 685, 776, 835, 970, 1096, 1336, 1370, 1670, 1940, 2740, 3340, 3880, 5480, 6680, 13289, 16199, 22879, 26578, 32398, 45758, 53156, 64796, 66445, 80995, 91516, 106312, 114395, 129592, 132890, 161990, 183032, 228790, 265780, 323980, 457580, 531560, 647960, 915160, 2219263, 4438526, 8877052, 11096315, 17754104, 22192630, 44385260, 88770520]

約数ペア:

[(1, 88770520), (2, 44385260), (4, 22192630), (5, 17754104), (8, 11096315), (10, 8877052), (20, 4438526), (40, 2219263), (97, 915160), (137, 647960), (167, 531560), (194, 457580), (274, 323980), (334, 265780), (388, 228790), (485, 183032), (548, 161990), (668, 132890), (685, 129592), (776, 114395), (835, 106312), (970, 91516), (1096, 80995), (1336, 66445), (1370, 64796), (1670, 53156), (1940, 45758), (2740, 32398), (3340, 26578), (3880, 22879), (5480, 16199), (6680, 13289)]