28966720

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:839

約数の個数: 56

約数和(自身を含む): 69604128

約数和(自身を除く): 40637408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 691, 1048, 1310, 1382, 2096, 2620, 2764, 3455, 4192, 5240, 5528, 6910, 8384, 10480, 11056, 13820, 20960, 22112, 27640, 41920, 44224, 55280, 90521, 110560, 181042, 221120, 362084, 452605, 724168, 905210, 1448336, 1810420, 2896672, 3620840, 5793344, 7241680, 14483360, 28966720]

約数ペア:

[(1, 28966720), (2, 14483360), (4, 7241680), (5, 5793344), (8, 3620840), (10, 2896672), (16, 1810420), (20, 1448336), (32, 905210), (40, 724168), (64, 452605), (80, 362084), (131, 221120), (160, 181042), (262, 110560), (320, 90521), (524, 55280), (655, 44224), (691, 41920), (1048, 27640), (1310, 22112), (1382, 20960), (2096, 13820), (2620, 11056), (2764, 10480), (3455, 8384), (4192, 6910), (5240, 5528)]