51395140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 111449520

約数和(自身を除く): 60054380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 233, 269, 410, 466, 538, 820, 932, 1076, 1165, 1345, 2330, 2690, 4660, 5380, 9553, 11029, 19106, 22058, 38212, 44116, 47765, 55145, 62677, 95530, 110290, 125354, 191060, 220580, 250708, 313385, 626770, 1253540, 2569757, 5139514, 10279028, 12848785, 25697570, 51395140]

約数ペア:

[(1, 51395140), (2, 25697570), (4, 12848785), (5, 10279028), (10, 5139514), (20, 2569757), (41, 1253540), (82, 626770), (164, 313385), (205, 250708), (233, 220580), (269, 191060), (410, 125354), (466, 110290), (538, 95530), (820, 62677), (932, 55145), (1076, 47765), (1165, 44116), (1345, 38212), (2330, 22058), (2690, 19106), (4660, 11029), (5380, 9553)]