25509536

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 56030940

約数和(自身を除く): 30521404

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 89, 104, 106, 169, 178, 208, 212, 338, 356, 416, 424, 676, 689, 712, 848, 1157, 1352, 1378, 1424, 1696, 2314, 2704, 2756, 2848, 4628, 4717, 5408, 5512, 8957, 9256, 9434, 11024, 15041, 17914, 18512, 18868, 22048, 30082, 35828, 37024, 37736, 60164, 61321, 71656, 75472, 120328, 122642, 143312, 150944, 240656, 245284, 286624, 481312, 490568, 797173, 981136, 1594346, 1962272, 3188692, 6377384, 12754768, 25509536]

約数ペア:

[(1, 25509536), (2, 12754768), (4, 6377384), (8, 3188692), (13, 1962272), (16, 1594346), (26, 981136), (32, 797173), (52, 490568), (53, 481312), (89, 286624), (104, 245284), (106, 240656), (169, 150944), (178, 143312), (208, 122642), (212, 120328), (338, 75472), (356, 71656), (416, 61321), (424, 60164), (676, 37736), (689, 37024), (712, 35828), (848, 30082), (1157, 22048), (1352, 18868), (1378, 18512), (1424, 17914), (1696, 15041), (2314, 11024), (2704, 9434), (2756, 9256), (2848, 8957), (4628, 5512), (4717, 5408)]