78463670020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2027}}^1\times {\mathrm{19163}}^1$

素因数の和:21300

約数の個数: 48

約数和(自身を含む): 166495912128

約数和(自身を除く): 88032242108

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2027, 4054, 8108, 10135, 19163, 20270, 38326, 40540, 76652, 95815, 191630, 204727, 383260, 409454, 818908, 1023635, 1935463, 2047270, 3870926, 4094540, 7741852, 9677315, 19354630, 38709260, 38843401, 77686802, 155373604, 194217005, 388434010, 776868020, 3923183501, 7846367002, 15692734004, 19615917505, 39231835010, 78463670020]

約数ペア:

[(1, 78463670020), (2, 39231835010), (4, 19615917505), (5, 15692734004), (10, 7846367002), (20, 3923183501), (101, 776868020), (202, 388434010), (404, 194217005), (505, 155373604), (1010, 77686802), (2020, 38843401), (2027, 38709260), (4054, 19354630), (8108, 9677315), (10135, 7741852), (19163, 4094540), (20270, 3870926), (38326, 2047270), (40540, 1935463), (76652, 1023635), (95815, 818908), (191630, 409454), (204727, 383260)]