28905280

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1531}}^1$

素因数の和:1607

約数の個数: 56

約数和(自身を含む): 70043040

約数和(自身を除く): 41137760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1180, 1531, 1888, 2360, 3062, 3776, 4720, 6124, 7655, 9440, 12248, 15310, 18880, 24496, 30620, 48992, 61240, 90329, 97984, 122480, 180658, 244960, 361316, 451645, 489920, 722632, 903290, 1445264, 1806580, 2890528, 3613160, 5781056, 7226320, 14452640, 28905280]

約数ペア:

[(1, 28905280), (2, 14452640), (4, 7226320), (5, 5781056), (8, 3613160), (10, 2890528), (16, 1806580), (20, 1445264), (32, 903290), (40, 722632), (59, 489920), (64, 451645), (80, 361316), (118, 244960), (160, 180658), (236, 122480), (295, 97984), (320, 90329), (472, 61240), (590, 48992), (944, 30620), (1180, 24496), (1531, 18880), (1888, 15310), (2360, 12248), (3062, 9440), (3776, 7655), (4720, 6124)]