20151139970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{7103}}^1$

素因数の和:7419

約数の個数: 64

約数和(自身を含む): 39599400960

約数和(自身を除く): 19448260990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 157, 278, 314, 695, 785, 1390, 1570, 1807, 2041, 3614, 4082, 7103, 9035, 10205, 14206, 18070, 20410, 21823, 35515, 43646, 71030, 92339, 109115, 184678, 218230, 283699, 461695, 567398, 923390, 987317, 1115171, 1418495, 1974634, 2230342, 2836990, 4936585, 5575855, 9873170, 11151710, 12835121, 14497223, 25670242, 28994446, 64175605, 72486115, 128351210, 144972230, 155008769, 310017538, 775043845, 1550087690, 2015113997, 4030227994, 10075569985, 20151139970]

約数ペア:

[(1, 20151139970), (2, 10075569985), (5, 4030227994), (10, 2015113997), (13, 1550087690), (26, 775043845), (65, 310017538), (130, 155008769), (139, 144972230), (157, 128351210), (278, 72486115), (314, 64175605), (695, 28994446), (785, 25670242), (1390, 14497223), (1570, 12835121), (1807, 11151710), (2041, 9873170), (3614, 5575855), (4082, 4936585), (7103, 2836990), (9035, 2230342), (10205, 1974634), (14206, 1418495), (18070, 1115171), (20410, 987317), (21823, 923390), (35515, 567398), (43646, 461695), (71030, 283699), (92339, 218230), (109115, 184678)]