202269520

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3659}}^1$

素因数の和:4363

約数の個数: 40

約数和(自身を含む): 471085920

約数和(自身を除く): 268816400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 3455, 3659, 5528, 6910, 7318, 11056, 13820, 14636, 18295, 27640, 29272, 36590, 55280, 58544, 73180, 146360, 292720, 2528369, 5056738, 10113476, 12641845, 20226952, 25283690, 40453904, 50567380, 101134760, 202269520]

約数ペア:

[(1, 202269520), (2, 101134760), (4, 50567380), (5, 40453904), (8, 25283690), (10, 20226952), (16, 12641845), (20, 10113476), (40, 5056738), (80, 2528369), (691, 292720), (1382, 146360), (2764, 73180), (3455, 58544), (3659, 55280), (5528, 36590), (6910, 29272), (7318, 27640), (11056, 18295), (13820, 14636)]