85522180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 186439680

約数和(自身を除く): 100917500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 509, 542, 620, 1018, 1084, 1355, 2036, 2545, 2710, 5090, 5420, 8401, 10180, 15779, 16802, 31558, 33604, 42005, 63116, 78895, 84010, 137939, 157790, 168020, 275878, 315580, 551756, 689695, 1379390, 2758780, 4276109, 8552218, 17104436, 21380545, 42761090, 85522180]

約数ペア:

[(1, 85522180), (2, 42761090), (4, 21380545), (5, 17104436), (10, 8552218), (20, 4276109), (31, 2758780), (62, 1379390), (124, 689695), (155, 551756), (271, 315580), (310, 275878), (509, 168020), (542, 157790), (620, 137939), (1018, 84010), (1084, 78895), (1355, 63116), (2036, 42005), (2545, 33604), (2710, 31558), (5090, 16802), (5420, 15779), (8401, 10180)]