79949720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1783}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 192672000

約数和(自身を除く): 112722280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 1783, 2242, 2360, 3566, 4484, 5605, 7132, 8915, 8968, 11210, 14264, 17830, 22420, 33877, 35660, 44840, 67754, 71320, 105197, 135508, 169385, 210394, 271016, 338770, 420788, 525985, 677540, 841576, 1051970, 1355080, 1998743, 2103940, 3997486, 4207880, 7994972, 9993715, 15989944, 19987430, 39974860, 79949720]

約数ペア:

[(1, 79949720), (2, 39974860), (4, 19987430), (5, 15989944), (8, 9993715), (10, 7994972), (19, 4207880), (20, 3997486), (38, 2103940), (40, 1998743), (59, 1355080), (76, 1051970), (95, 841576), (118, 677540), (152, 525985), (190, 420788), (236, 338770), (295, 271016), (380, 210394), (472, 169385), (590, 135508), (760, 105197), (1121, 71320), (1180, 67754), (1783, 44840), (2242, 35660), (2360, 33877), (3566, 22420), (4484, 17830), (5605, 14264), (7132, 11210), (8915, 8968)]