16578580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 19419116

約数列:

[1, 2, 4, 5, 10, 20, 61, 107, 122, 127, 214, 244, 254, 305, 428, 508, 535, 610, 635, 1070, 1220, 1270, 2140, 2540, 6527, 7747, 13054, 13589, 15494, 26108, 27178, 30988, 32635, 38735, 54356, 65270, 67945, 77470, 130540, 135890, 154940, 271780, 828929, 1657858, 3315716, 4144645, 8289290, 16578580]

約数ペア:

[(1, 16578580), (2, 8289290), (4, 4144645), (5, 3315716), (10, 1657858), (20, 828929), (61, 271780), (107, 154940), (122, 135890), (127, 130540), (214, 77470), (244, 67945), (254, 65270), (305, 54356), (428, 38735), (508, 32635), (535, 30988), (610, 27178), (635, 26108), (1070, 15494), (1220, 13589), (1270, 13054), (2140, 7747), (2540, 6527)]