38974120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15973}}^1$

素因数の和:16045

約数の個数: 32

約数和(自身を含む): 89134920

約数和(自身を除く): 50160800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15973, 31946, 63892, 79865, 127784, 159730, 319460, 638920, 974353, 1948706, 3897412, 4871765, 7794824, 9743530, 19487060, 38974120]

約数ペア:

[(1, 38974120), (2, 19487060), (4, 9743530), (5, 7794824), (8, 4871765), (10, 3897412), (20, 1948706), (40, 974353), (61, 638920), (122, 319460), (244, 159730), (305, 127784), (488, 79865), (610, 63892), (1220, 31946), (2440, 15973)]