23186540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 52792992

約数和(自身を除く): 29606452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 347, 514, 694, 1028, 1285, 1388, 1735, 2570, 3341, 3470, 4511, 5140, 6682, 6940, 9022, 13364, 16705, 18044, 22555, 33410, 45110, 66820, 89179, 90220, 178358, 356716, 445895, 891790, 1159327, 1783580, 2318654, 4637308, 5796635, 11593270, 23186540]

約数ペア:

[(1, 23186540), (2, 11593270), (4, 5796635), (5, 4637308), (10, 2318654), (13, 1783580), (20, 1159327), (26, 891790), (52, 445895), (65, 356716), (130, 178358), (257, 90220), (260, 89179), (347, 66820), (514, 45110), (694, 33410), (1028, 22555), (1285, 18044), (1388, 16705), (1735, 13364), (2570, 9022), (3341, 6940), (3470, 6682), (4511, 5140)]