31672940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2833}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 73321248

約数和(自身を除く): 41648308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 2833, 5590, 5666, 11180, 11332, 14165, 28330, 36829, 56660, 73658, 121819, 147316, 184145, 243638, 368290, 487276, 609095, 736580, 1218190, 1583647, 2436380, 3167294, 6334588, 7918235, 15836470, 31672940]

約数ペア:

[(1, 31672940), (2, 15836470), (4, 7918235), (5, 6334588), (10, 3167294), (13, 2436380), (20, 1583647), (26, 1218190), (43, 736580), (52, 609095), (65, 487276), (86, 368290), (130, 243638), (172, 184145), (215, 147316), (260, 121819), (430, 73658), (559, 56660), (860, 36829), (1118, 28330), (2236, 14165), (2795, 11332), (2833, 11180), (5590, 5666)]