78320560

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5659}}^1$

素因数の和:5845

約数の個数: 40

約数和(自身を含む): 183180240

約数和(自身を除く): 104859680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 5659, 6920, 11318, 13840, 22636, 28295, 45272, 56590, 90544, 113180, 226360, 452720, 979007, 1958014, 3916028, 4895035, 7832056, 9790070, 15664112, 19580140, 39160280, 78320560]

約数ペア:

[(1, 78320560), (2, 39160280), (4, 19580140), (5, 15664112), (8, 9790070), (10, 7832056), (16, 4895035), (20, 3916028), (40, 1958014), (80, 979007), (173, 452720), (346, 226360), (692, 113180), (865, 90544), (1384, 56590), (1730, 45272), (2768, 28295), (3460, 22636), (5659, 13840), (6920, 11318)]