39721370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5009}}^1$

素因数の和:5090

約数の個数: 32

約数和(自身を含む): 78276240

約数和(自身を除く): 38554870

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 5009, 7930, 10018, 25045, 50090, 65117, 130234, 305549, 325585, 611098, 651170, 1527745, 3055490, 3972137, 7944274, 19860685, 39721370]

約数ペア:

[(1, 39721370), (2, 19860685), (5, 7944274), (10, 3972137), (13, 3055490), (26, 1527745), (61, 651170), (65, 611098), (122, 325585), (130, 305549), (305, 130234), (610, 65117), (793, 50090), (1586, 25045), (3965, 10018), (5009, 7930)]