205657280

素因数分解:

$2^6\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1723}}^1$

素因数の和:2113

約数の個数: 56

約数和(自身を含む): 491319312

約数和(自身を除く): 285662032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 373, 746, 1492, 1723, 1865, 2984, 3446, 3730, 5968, 6892, 7460, 8615, 11936, 13784, 14920, 17230, 23872, 27568, 29840, 34460, 55136, 59680, 68920, 110272, 119360, 137840, 275680, 551360, 642679, 1285358, 2570716, 3213395, 5141432, 6426790, 10282864, 12853580, 20565728, 25707160, 41131456, 51414320, 102828640, 205657280]

約数ペア:

[(1, 205657280), (2, 102828640), (4, 51414320), (5, 41131456), (8, 25707160), (10, 20565728), (16, 12853580), (20, 10282864), (32, 6426790), (40, 5141432), (64, 3213395), (80, 2570716), (160, 1285358), (320, 642679), (373, 551360), (746, 275680), (1492, 137840), (1723, 119360), (1865, 110272), (2984, 68920), (3446, 59680), (3730, 55136), (5968, 34460), (6892, 29840), (7460, 27568), (8615, 23872), (11936, 17230), (13784, 14920)]