65243920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{116507}}^1$

素因数の和:116527

約数の個数: 40

約数和(自身を含む): 173363904

約数和(自身を除く): 108119984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 116507, 233014, 466028, 582535, 815549, 932056, 1165070, 1631098, 1864112, 2330140, 3262196, 4077745, 4660280, 6524392, 8155490, 9320560, 13048784, 16310980, 32621960, 65243920]

約数ペア:

[(1, 65243920), (2, 32621960), (4, 16310980), (5, 13048784), (7, 9320560), (8, 8155490), (10, 6524392), (14, 4660280), (16, 4077745), (20, 3262196), (28, 2330140), (35, 1864112), (40, 1631098), (56, 1165070), (70, 932056), (80, 815549), (112, 582535), (140, 466028), (280, 233014), (560, 116507)]