78042160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139361}}^1$

素因数の和:139381

約数の個数: 40

約数和(自身を含む): 207370656

約数和(自身を除く): 129328496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139361, 278722, 557444, 696805, 975527, 1114888, 1393610, 1951054, 2229776, 2787220, 3902108, 4877635, 5574440, 7804216, 9755270, 11148880, 15608432, 19510540, 39021080, 78042160]

約数ペア:

[(1, 78042160), (2, 39021080), (4, 19510540), (5, 15608432), (7, 11148880), (8, 9755270), (10, 7804216), (14, 5574440), (16, 4877635), (20, 3902108), (28, 2787220), (35, 2229776), (40, 1951054), (56, 1393610), (70, 1114888), (80, 975527), (112, 696805), (140, 557444), (280, 278722), (560, 139361)]