85586980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 183392496

約数和(自身を除く): 97805516

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 281, 314, 388, 485, 562, 628, 785, 970, 1124, 1405, 1570, 1940, 2810, 3140, 5620, 15229, 27257, 30458, 44117, 54514, 60916, 76145, 88234, 109028, 136285, 152290, 176468, 220585, 272570, 304580, 441170, 545140, 882340, 4279349, 8558698, 17117396, 21396745, 42793490, 85586980]

約数ペア:

[(1, 85586980), (2, 42793490), (4, 21396745), (5, 17117396), (10, 8558698), (20, 4279349), (97, 882340), (157, 545140), (194, 441170), (281, 304580), (314, 272570), (388, 220585), (485, 176468), (562, 152290), (628, 136285), (785, 109028), (970, 88234), (1124, 76145), (1405, 60916), (1570, 54514), (1940, 44117), (2810, 30458), (3140, 27257), (5620, 15229)]