168440980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1033}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 366879744

約数和(自身を除く): 198438764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 263, 310, 526, 620, 1033, 1052, 1315, 2066, 2630, 4132, 5165, 5260, 8153, 10330, 16306, 20660, 32023, 32612, 40765, 64046, 81530, 128092, 160115, 163060, 271679, 320230, 543358, 640460, 1086716, 1358395, 2716790, 5433580, 8422049, 16844098, 33688196, 42110245, 84220490, 168440980]

約数ペア:

[(1, 168440980), (2, 84220490), (4, 42110245), (5, 33688196), (10, 16844098), (20, 8422049), (31, 5433580), (62, 2716790), (124, 1358395), (155, 1086716), (263, 640460), (310, 543358), (526, 320230), (620, 271679), (1033, 163060), (1052, 160115), (1315, 128092), (2066, 81530), (2630, 64046), (4132, 40765), (5165, 32612), (5260, 32023), (8153, 20660), (10330, 16306)]