27800480

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 66044160

約数和(自身を除く): 38243680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 727, 956, 1195, 1454, 1912, 2390, 2908, 3635, 3824, 4780, 5816, 7270, 7648, 9560, 11632, 14540, 19120, 23264, 29080, 38240, 58160, 116320, 173753, 347506, 695012, 868765, 1390024, 1737530, 2780048, 3475060, 5560096, 6950120, 13900240, 27800480]

約数ペア:

[(1, 27800480), (2, 13900240), (4, 6950120), (5, 5560096), (8, 3475060), (10, 2780048), (16, 1737530), (20, 1390024), (32, 868765), (40, 695012), (80, 347506), (160, 173753), (239, 116320), (478, 58160), (727, 38240), (956, 29080), (1195, 23264), (1454, 19120), (1912, 14540), (2390, 11632), (2908, 9560), (3635, 7648), (3824, 7270), (4780, 5816)]