27482780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 64193472

約数和(自身を除く): 36710692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 173, 188, 235, 260, 338, 346, 470, 611, 676, 692, 845, 865, 940, 1222, 1690, 1730, 2249, 2444, 3055, 3380, 3460, 4498, 6110, 7943, 8131, 8996, 11245, 12220, 15886, 16262, 22490, 29237, 31772, 32524, 39715, 40655, 44980, 58474, 79430, 81310, 105703, 116948, 146185, 158860, 162620, 211406, 292370, 422812, 528515, 584740, 1057030, 1374139, 2114060, 2748278, 5496556, 6870695, 13741390, 27482780]

約数ペア:

[(1, 27482780), (2, 13741390), (4, 6870695), (5, 5496556), (10, 2748278), (13, 2114060), (20, 1374139), (26, 1057030), (47, 584740), (52, 528515), (65, 422812), (94, 292370), (130, 211406), (169, 162620), (173, 158860), (188, 146185), (235, 116948), (260, 105703), (338, 81310), (346, 79430), (470, 58474), (611, 44980), (676, 40655), (692, 39715), (845, 32524), (865, 31772), (940, 29237), (1222, 22490), (1690, 16262), (1730, 15886), (2249, 12220), (2444, 11245), (3055, 8996), (3380, 8131), (3460, 7943), (4498, 6110)]