82497820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 179859456

約数和(自身を除く): 97361636

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 491, 542, 620, 982, 1084, 1355, 1964, 2455, 2710, 4910, 5420, 8401, 9820, 15221, 16802, 30442, 33604, 42005, 60884, 76105, 84010, 133061, 152210, 168020, 266122, 304420, 532244, 665305, 1330610, 2661220, 4124891, 8249782, 16499564, 20624455, 41248910, 82497820]

約数ペア:

[(1, 82497820), (2, 41248910), (4, 20624455), (5, 16499564), (10, 8249782), (20, 4124891), (31, 2661220), (62, 1330610), (124, 665305), (155, 532244), (271, 304420), (310, 266122), (491, 168020), (542, 152210), (620, 133061), (982, 84010), (1084, 76105), (1355, 60884), (1964, 42005), (2455, 33604), (2710, 30442), (4910, 16802), (5420, 15221), (8401, 9820)]