16555550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 34712064

約数和(自身を除く): 18156514

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 155, 275, 310, 341, 550, 682, 775, 971, 1550, 1705, 1942, 3410, 4855, 8525, 9710, 10681, 17050, 21362, 24275, 30101, 48550, 53405, 60202, 106810, 150505, 267025, 301010, 331111, 534050, 662222, 752525, 1505050, 1655555, 3311110, 8277775, 16555550]

約数ペア:

[(1, 16555550), (2, 8277775), (5, 3311110), (10, 1655555), (11, 1505050), (22, 752525), (25, 662222), (31, 534050), (50, 331111), (55, 301010), (62, 267025), (110, 150505), (155, 106810), (275, 60202), (310, 53405), (341, 48550), (550, 30101), (682, 24275), (775, 21362), (971, 17050), (1550, 10681), (1705, 9710), (1942, 8525), (3410, 4855)]