12139580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 14278084

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 103, 142, 166, 206, 284, 332, 355, 412, 415, 515, 710, 830, 1030, 1420, 1660, 2060, 5893, 7313, 8549, 11786, 14626, 17098, 23572, 29252, 29465, 34196, 36565, 42745, 58930, 73130, 85490, 117860, 146260, 170980, 606979, 1213958, 2427916, 3034895, 6069790, 12139580]

約数ペア:

[(1, 12139580), (2, 6069790), (4, 3034895), (5, 2427916), (10, 1213958), (20, 606979), (71, 170980), (83, 146260), (103, 117860), (142, 85490), (166, 73130), (206, 58930), (284, 42745), (332, 36565), (355, 34196), (412, 29465), (415, 29252), (515, 23572), (710, 17098), (830, 14626), (1030, 11786), (1420, 8549), (1660, 7313), (2060, 5893)]