65869420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 144055296

約数和(自身を除く): 78185876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 811, 1310, 1622, 2620, 3244, 4055, 4061, 8110, 8122, 16220, 16244, 20305, 25141, 40610, 50282, 81220, 100564, 106241, 125705, 212482, 251410, 424964, 502820, 531205, 1062410, 2124820, 3293471, 6586942, 13173884, 16467355, 32934710, 65869420]

約数ペア:

[(1, 65869420), (2, 32934710), (4, 16467355), (5, 13173884), (10, 6586942), (20, 3293471), (31, 2124820), (62, 1062410), (124, 531205), (131, 502820), (155, 424964), (262, 251410), (310, 212482), (524, 125705), (620, 106241), (655, 100564), (811, 81220), (1310, 50282), (1622, 40610), (2620, 25141), (3244, 20305), (4055, 16244), (4061, 16220), (8110, 8122)]