20080140260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1\times {\mathrm{59209}}^1$

素因数の和:59796

約数の個数: 48

約数和(自身を含む): 43608875520

約数和(自身を除く): 23528735260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 547, 620, 1094, 2188, 2735, 5470, 10940, 16957, 33914, 59209, 67828, 84785, 118418, 169570, 236836, 296045, 339140, 592090, 1184180, 1835479, 3670958, 7341916, 9177395, 18354790, 32387323, 36709580, 64774646, 129549292, 161936615, 323873230, 647746460, 1004007013, 2008014026, 4016028052, 5020035065, 10040070130, 20080140260]

約数ペア:

[(1, 20080140260), (2, 10040070130), (4, 5020035065), (5, 4016028052), (10, 2008014026), (20, 1004007013), (31, 647746460), (62, 323873230), (124, 161936615), (155, 129549292), (310, 64774646), (547, 36709580), (620, 32387323), (1094, 18354790), (2188, 9177395), (2735, 7341916), (5470, 3670958), (10940, 1835479), (16957, 1184180), (33914, 592090), (59209, 339140), (67828, 296045), (84785, 236836), (118418, 169570)]