84699280

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1039}}^1$

素因数の和:2071

約数の個数: 40

約数和(自身を含む): 197308800

約数和(自身を除く): 112609520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 1039, 2038, 2078, 4076, 4156, 5095, 5195, 8152, 8312, 10190, 10390, 16304, 16624, 20380, 20780, 40760, 41560, 81520, 83120, 1058741, 2117482, 4234964, 5293705, 8469928, 10587410, 16939856, 21174820, 42349640, 84699280]

約数ペア:

[(1, 84699280), (2, 42349640), (4, 21174820), (5, 16939856), (8, 10587410), (10, 8469928), (16, 5293705), (20, 4234964), (40, 2117482), (80, 1058741), (1019, 83120), (1039, 81520), (2038, 41560), (2078, 40760), (4076, 20780), (4156, 20380), (5095, 16624), (5195, 16304), (8152, 10390), (8312, 10190)]