86780480

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2107

約数の個数: 56

約数和(自身を含む): 208239360

約数和(自身を除く): 121458880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1951, 2224, 2780, 3902, 4448, 5560, 7804, 8896, 9755, 11120, 15608, 19510, 22240, 31216, 39020, 44480, 62432, 78040, 124864, 156080, 271189, 312160, 542378, 624320, 1084756, 1355945, 2169512, 2711890, 4339024, 5423780, 8678048, 10847560, 17356096, 21695120, 43390240, 86780480]

約数ペア:

[(1, 86780480), (2, 43390240), (4, 21695120), (5, 17356096), (8, 10847560), (10, 8678048), (16, 5423780), (20, 4339024), (32, 2711890), (40, 2169512), (64, 1355945), (80, 1084756), (139, 624320), (160, 542378), (278, 312160), (320, 271189), (556, 156080), (695, 124864), (1112, 78040), (1390, 62432), (1951, 44480), (2224, 39020), (2780, 31216), (3902, 22240), (4448, 19510), (5560, 15608), (7804, 11120), (8896, 9755)]